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1064512213 is a prime number
BaseRepresentation
bin111111011100110…
…010101011010101
32202012001211020021
4333130302223111
54140003342323
6253344105141
735244130102
oct7734625325
92665054207
101064512213
114a6986866
122586051b1
1313c706bab
14a1541aa9
15636c605d
hex3f732ad5

1064512213 has 2 divisors, whose sum is σ = 1064512214. Its totient is φ = 1064512212.

The previous prime is 1064512201. The next prime is 1064512231. The reversal of 1064512213 is 3122154601.

It is a happy number.

Together with next prime (1064512231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716204644 + 348307569 = 26762^2 + 18663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1064512213 is a prime.

It is a super-2 number, since 2×10645122132 = 2266372503252314738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064522213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532256106 + 532256107.

It is an arithmetic number, because the mean of its divisors is an integer number (532256107).

Almost surely, 21064512213 is an apocalyptic number.

It is an amenable number.

1064512213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064512213 is an equidigital number, since it uses as much as digits as its factorization.

1064512213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1064512213 is about 32626.8633644118. The cubic root of 1064512213 is about 1021.0575386230.

Adding to 1064512213 its reverse (3122154601), we get a palindrome (4186666814).

The spelling of 1064512213 in words is "one billion, sixty-four million, five hundred twelve thousand, two hundred thirteen".