252101898 has 24 divisors (see below), whose sum is σ = 555177636. Its totient is φ = 82656000.

The previous prime is 252101869. The next prime is 252101909. The reversal of 252101898 is 898101252.

It can be written as a sum of positive squares in 2 ways, for example, as 251952129 + 149769 = 15873^2 + 387^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113703 + ... + 115898.

Almost surely, 2^252101898 is an apocalyptic number.

252101898 is an abundant number, since it is smaller than the sum of its proper divisors (303075738).

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

252101898 is a wasteful number, since it uses less digits than its factorization.

252101898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229670 (or 229667 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 252101898 is about 15877.7170273311. The cubic root of 252101898 is about 631.7210837972.

The spelling of 252101898 in words is "two hundred fifty-two million, one hundred one thousand, eight hundred ninety-eight".