252125100 has 54 divisors (see below), whose sum is σ = 790274940. Its totient is φ = 67233120.

The previous prime is 252125053. The next prime is 252125143. The reversal of 252125100 is 1521252.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139170 + ... + 140969.

Almost surely, 2^252125100 is an apocalyptic number.

252125100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252125100 is an abundant number, since it is smaller than the sum of its proper divisors (538149840).

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

252125100 is a wasteful number, since it uses less digits than its factorization.

252125100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280159 (or 280149 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 252125100 is about 15878.4476571232. The cubic root of 252125100 is about 631.7404631871.

Adding to 252125100 its reverse (1521252), we get a palindrome (253646352).

The spelling of 252125100 in words is "two hundred fifty-two million, one hundred twenty-five thousand, one hundred".