Search a number
-
+
1064441531 is a prime number
BaseRepresentation
bin111111011100100…
…001011010111011
32202011221020021102
4333130201122323
54134444112111
6253342402015
735243414036
oct7734413273
92664836242
101064441531
114a693874a
1225859030b
1313c6b097a
14a152401d
15636b013b
hex3f7216bb

1064441531 has 2 divisors, whose sum is σ = 1064441532. Its totient is φ = 1064441530.

The previous prime is 1064441509. The next prime is 1064441533. The reversal of 1064441531 is 1351444601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1064441531 is a prime.

It is a super-2 number, since 2×10644415312 = 2266071545835247922, which contains 22 as substring.

Together with 1064441533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1064441494 and 1064441503.

It is not a weakly prime, because it can be changed into another prime (1064441533) 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, 532220765 + 532220766.

It is an arithmetic number, because the mean of its divisors is an integer number (532220766).

Almost surely, 21064441531 is an apocalyptic number.

1064441531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064441531 is an equidigital number, since it uses as much as digits as its factorization.

1064441531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1064441531 is about 32625.7801592544. The cubic root of 1064441531 is about 1021.0349392310.

The spelling of 1064441531 in words is "one billion, sixty-four million, four hundred forty-one thousand, five hundred thirty-one".