252404685 has 48 divisors (see below), whose sum is σ = 474225024. Its totient is φ = 123451776.

The previous prime is 252404671. The next prime is 252404687. The reversal of 252404685 is 586404252.

It is a happy number.

It is not a de Polignac number, because 252404685 - 2¹⁰ = 252403661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252404687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94032 + ... + 96678.

It is an arithmetic number, because the mean of its divisors is an integer number (9879688).

Almost surely, 2^252404685 is an apocalyptic number.

It is an amenable number.

252404685 is a deficient number, since it is larger than the sum of its proper divisors (221820339).

252404685 is a wasteful number, since it uses less digits than its factorization.

252404685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 252404685 is about 15887.2491325591. The cubic root of 252404685 is about 631.9738921611.

The spelling of 252404685 in words is "two hundred fifty-two million, four hundred four thousand, six hundred eighty-five".