625506255 has 48 divisors (see below), whose sum is σ = 1191415680. Its totient is φ = 301060800.

The previous prime is 625506253. The next prime is 625506263. The reversal of 625506255 is 552605526.

625506255 is a `hidden beast` number, since 6 + 25 + 5 + 0 + 625 + 5 = 666.

It is not a de Polignac number, because 625506255 - 2¹ = 625506253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625506253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64260 + ... + 73350.

It is an arithmetic number, because the mean of its divisors is an integer number (24821160).

Almost surely, 2^625506255 is an apocalyptic number.

625506255 is a deficient number, since it is larger than the sum of its proper divisors (565909425).

625506255 is a wasteful number, since it uses less digits than its factorization.

625506255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 625506255 is about 25010.1230504770. The cubic root of 625506255 is about 855.2187600693.

The spelling of 625506255 in words is "six hundred twenty-five million, five hundred six thousand, two hundred fifty-five".