252659898 has 40 divisors (see below), whose sum is σ = 567347220. Its totient is φ = 84041280.

The previous prime is 252659893. The next prime is 252659909. The reversal of 252659898 is 898956252.

252659898 is a `hidden beast` number, since 25 + 26 + 598 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 232166169 + 20493729 = 15237^2 + 4527^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (252659893) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90808 + ... + 93548.

Almost surely, 2^252659898 is an apocalyptic number.

252659898 is an abundant number, since it is smaller than the sum of its proper divisors (314687322).

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

252659898 is a wasteful number, since it uses less digits than its factorization.

252659898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324 (or 3315 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 252659898 is about 15895.2791104781. The cubic root of 252659898 is about 632.1868222059.

The spelling of 252659898 in words is "two hundred fifty-two million, six hundred fifty-nine thousand, eight hundred ninety-eight".