625053660 has 192 divisors, whose sum is σ = 2196440064. Its totient is φ = 129024000.

The previous prime is 625053647. The next prime is 625053707. The reversal of 625053660 is 66350526.

625053660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 891310 + ... + 892010.

It is an arithmetic number, because the mean of its divisors is an integer number (11439792).

Almost surely, 2^625053660 is an apocalyptic number.

625053660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625053660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098220032).

625053660 is an abundant number, since it is smaller than the sum of its proper divisors (1571386404).

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

625053660 is a wasteful number, since it uses less digits than its factorization.

625053660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 625053660 is about 25001.0731769658. The cubic root of 625053660 is about 855.0124412539.

The spelling of 625053660 in words is "six hundred twenty-five million, fifty-three thousand, six hundred sixty".