625479525 has 144 divisors (see below), whose sum is σ = 1318487040. Its totient is φ = 280195200.

The previous prime is 625479493. The next prime is 625479527. The reversal of 625479525 is 525974526.

625479525 is a `hidden beast` number, since 6 + 2 + 54 + 79 + 525 = 666.

It is not a de Polignac number, because 625479525 - 2⁵ = 625479493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625479527) 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 143 ways as a sum of consecutive naturals, for example, 2210034 + ... + 2210316.

It is an arithmetic number, because the mean of its divisors is an integer number (9156160).

Almost surely, 2^625479525 is an apocalyptic number.

It is an amenable number.

625479525 is an abundant number, since it is smaller than the sum of its proper divisors (693007515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625479525 is a wasteful number, since it uses less digits than its factorization.

625479525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 368 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 625479525 is about 25009.5886611515. The cubic root of 625479525 is about 855.2065777647.

The spelling of 625479525 in words is "six hundred twenty-five million, four hundred seventy-nine thousand, five hundred twenty-five".