252655533 has 12 divisors (see below), whose sum is σ = 393019900. Its totient is φ = 155480256.

The previous prime is 252655519. The next prime is 252655541. The reversal of 252655533 is 335556252.

It can be written as a sum of positive squares in 2 ways, for example, as 125484804 + 127170729 = 11202^2 + 11277^2 .

It is not a de Polignac number, because 252655533 - 2⁹ = 252655021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252655553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1079608 + ... + 1079841.

Almost surely, 2^252655533 is an apocalyptic number.

It is an amenable number.

252655533 is a deficient number, since it is larger than the sum of its proper divisors (140364367).

252655533 is a wasteful number, since it uses less digits than its factorization.

252655533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159468 (or 2159465 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 252655533 is about 15895.1418049667. The cubic root of 252655533 is about 632.1831815920.

The spelling of 252655533 in words is "two hundred fifty-two million, six hundred fifty-five thousand, five hundred thirty-three".