625266560 has 64 divisors (see below), whose sum is σ = 1500599520. Its totient is φ = 249133056.

The previous prime is 625266529. The next prime is 625266581. The reversal of 625266560 is 65662526.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×625266560³ (a number of 27 digits) contains 333 as substring.

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, 175517 + ... + 179043.

Almost surely, 2^625266560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625266560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750299760).

625266560 is an abundant number, since it is smaller than the sum of its proper divisors (875332960).

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

625266560 is a wasteful number, since it uses less digits than its factorization.

625266560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 625266560 is about 25005.3306316873. The cubic root of 625266560 is about 855.1095057125.

The spelling of 625266560 in words is "six hundred twenty-five million, two hundred sixty-six thousand, five hundred sixty".