100715625 has 36 divisors (see below), whose sum is σ = 181886796. Its totient is φ = 53700000.

The previous prime is 100715623. The next prime is 100715627. The reversal of 100715625 is 526517001.

It is an interprime number because it is at equal distance from previous prime (100715623) and next prime (100715627).

It can be written as a sum of positive squares in 6 ways, for example, as 63297936 + 37417689 = 7956^2 + 6117^2 .

It is not a de Polignac number, because 100715625 - 2¹ = 100715623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100715623) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26335 + ... + 29915.

It is an arithmetic number, because the mean of its divisors is an integer number (5052411).

Almost surely, 2^100715625 is an apocalyptic number.

100715625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100715625 is a deficient number, since it is larger than the sum of its proper divisors (81171171).

100715625 is an frugal number, since it uses more digits than its factorization.

100715625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3589 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 100715625 is about 10035.7174631413. The cubic root of 100715625 is about 465.2634649855.

The spelling of 100715625 in words is "one hundred million, seven hundred fifteen thousand, six hundred twenty-five".