625265413 has 2 divisors, whose sum is σ = 625265414. Its totient is φ = 625265412.

The previous prime is 625265401. The next prime is 625265429. The reversal of 625265413 is 314562526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532778724 + 92486689 = 23082^2 + 9617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625265413 is a prime.

It is a super-3 number, since 3×625265413³ (a number of 27 digits) contains 333 as substring.

It is equal to p_32573383 and since 625265413 and 32573383 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625265213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312632706 + 312632707.

It is an arithmetic number, because the mean of its divisors is an integer number (312632707).

Almost surely, 2^625265413 is an apocalyptic number.

It is an amenable number.

625265413 is a deficient number, since it is larger than the sum of its proper divisors (1).

625265413 is an equidigital number, since it uses as much as digits as its factorization.

625265413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 625265413 is about 25005.3076965671. The cubic root of 625265413 is about 855.1089828362.

The spelling of 625265413 in words is "six hundred twenty-five million, two hundred sixty-five thousand, four hundred thirteen".