625153980 has 48 divisors (see below), whose sum is σ = 1909563264. Its totient is φ = 151552320.

The previous prime is 625153933. The next prime is 625153981. The reversal of 625153980 is 89351526.

625153980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625153981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472942 + ... + 474261.

It is an arithmetic number, because the mean of its divisors is an integer number (39782568).

Almost surely, 2^625153980 is an apocalyptic number.

625153980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625153980 is an abundant number, since it is smaller than the sum of its proper divisors (1284409284).

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

625153980 is a wasteful number, since it uses less digits than its factorization.

625153980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947226 (or 947224 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 625153980 is about 25003.0794103446. The cubic root of 625153980 is about 855.0581814653.

The spelling of 625153980 in words is "six hundred twenty-five million, one hundred fifty-three thousand, nine hundred eighty".