625004329 has 2 divisors, whose sum is σ = 625004330. Its totient is φ = 625004328.

The previous prime is 625004327. The next prime is 625004363. The reversal of 625004329 is 923400526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444155625 + 180848704 = 21075^2 + 13448^2 .

It is a cyclic number.

It is not a de Polignac number, because 625004329 - 2¹ = 625004327 is a prime.

It is a super-2 number, since 2×625004329² = 781260822537480482, which contains 22 as substring.

Together with 625004327, it forms a pair of twin primes.

625004329 is a modest number, since divided by 4329 gives 625 as remainder.

It is equal to p_32560555 and since 625004329 and 32560555 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625004329.

It is not a weakly prime, because it can be changed into another prime (625004327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312502164 + 312502165.

It is an arithmetic number, because the mean of its divisors is an integer number (312502165).

Almost surely, 2^625004329 is an apocalyptic number.

It is an amenable number.

625004329 is a deficient number, since it is larger than the sum of its proper divisors (1).

625004329 is an equidigital number, since it uses as much as digits as its factorization.

625004329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 625004329 is about 25000.0865798501. The cubic root of 625004329 is about 854.9899473300.

The spelling of 625004329 in words is "six hundred twenty-five million, four thousand, three hundred twenty-nine".