625317140 has 144 divisors (see below), whose sum is σ = 1601413632. Its totient is φ = 200804352.

The previous prime is 625317101. The next prime is 625317149. The reversal of 625317140 is 41713526.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625317149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5533724 + ... + 5533836.

It is an arithmetic number, because the mean of its divisors is an integer number (11120928).

Almost surely, 2^625317140 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 625317140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800706816).

625317140 is an abundant number, since it is smaller than the sum of its proper divisors (976096492).

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

625317140 is a wasteful number, since it uses less digits than its factorization.

625317140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 625317140 is about 25006.3419955818. The cubic root of 625317140 is about 855.1325626909.

The spelling of 625317140 in words is "six hundred twenty-five million, three hundred seventeen thousand, one hundred forty".