100625320 has 16 divisors (see below), whose sum is σ = 226407060. Its totient is φ = 40250112.

The previous prime is 100625309. The next prime is 100625333. The reversal of 100625320 is 23526001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99321156 + 1304164 = 9966^2 + 1142^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257777 + ... + 1257856.

Almost surely, 2^100625320 is an apocalyptic number.

100625320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100625320 is an abundant number, since it is smaller than the sum of its proper divisors (125781740).

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

100625320 is a wasteful number, since it uses less digits than its factorization.

100625320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515644 (or 2515640 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 100625320 is about 10031.2172740899. The cubic root of 100625320 is about 465.1243664726.

The spelling of 100625320 in words is "one hundred million, six hundred twenty-five thousand, three hundred twenty".