625503260 has 24 divisors (see below), whose sum is σ = 1341506880. Its totient is φ = 244877504.

The previous prime is 625503259. The next prime is 625503271. The reversal of 625503260 is 62305526.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331775 + ... + 333654.

It is an arithmetic number, because the mean of its divisors is an integer number (55896120).

Almost surely, 2^625503260 is an apocalyptic number.

It is an amenable number.

625503260 is an abundant number, since it is smaller than the sum of its proper divisors (716003620).

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

625503260 is a wasteful number, since it uses less digits than its factorization.

625503260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665485 (or 665483 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 625503260 is about 25010.0631746503. The cubic root of 625503260 is about 855.2173951033.

Adding to 625503260 its reverse (62305526), we get a palindrome (687808786).

The spelling of 625503260 in words is "six hundred twenty-five million, five hundred three thousand, two hundred sixty".