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64254613 is a prime number
BaseRepresentation
bin1111010100011…
…1001010010101
311110220110202111
43311013022111
5112422121423
610213111021
71410104143
oct365071225
9143813674
1064254613
11332a7495
1219628471
13104096a7
148768593
15599360d
hex3d47295

64254613 has 2 divisors, whose sum is σ = 64254614. Its totient is φ = 64254612.

The previous prime is 64254569. The next prime is 64254629. The reversal of 64254613 is 31645246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60326289 + 3928324 = 7767^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 64254613 - 213 = 64246421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64254653) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32127306 + 32127307.

It is an arithmetic number, because the mean of its divisors is an integer number (32127307).

Almost surely, 264254613 is an apocalyptic number.

It is an amenable number.

64254613 is a deficient number, since it is larger than the sum of its proper divisors (1).

64254613 is an equidigital number, since it uses as much as digits as its factorization.

64254613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 64254613 is about 8015.8975168100. The cubic root of 64254613 is about 400.5297418742.

Adding to 64254613 its reverse (31645246), we get a palindrome (95899859).

It can be divided in two parts, 642 and 54613, that added together give a palindrome (55255).

The spelling of 64254613 in words is "sixty-four million, two hundred fifty-four thousand, six hundred thirteen".