625629255 has 8 divisors (see below), whose sum is σ = 1001006832. Its totient is φ = 333668928.

The previous prime is 625629253. The next prime is 625629281. The reversal of 625629255 is 552926526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625629255 - 2¹ = 625629253 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625629253) 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 in 7 ways as a sum of consecutive naturals, for example, 20854294 + ... + 20854323.

It is an arithmetic number, because the mean of its divisors is an integer number (125125854).

Almost surely, 2^625629255 is an apocalyptic number.

625629255 is a deficient number, since it is larger than the sum of its proper divisors (375377577).

625629255 is a wasteful number, since it uses less digits than its factorization.

625629255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41708625.

The product of its digits is 324000, while the sum is 42.

The square root of 625629255 is about 25012.5819338988. The cubic root of 625629255 is about 855.2748133394.

It can be divided in two parts, 62562 and 9255, that added together give a palindrome (71817).

The spelling of 625629255 in words is "six hundred twenty-five million, six hundred twenty-nine thousand, two hundred fifty-five".