252404487 has 48 divisors (see below), whose sum is σ = 391809600. Its totient is φ = 156280320.

The previous prime is 252404483. The next prime is 252404489. The reversal of 252404487 is 784404252.

252404487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252404487 - 2² = 252404483 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252404483) 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, 1102089 + ... + 1102317.

It is an arithmetic number, because the mean of its divisors is an integer number (8162700).

Almost surely, 2^252404487 is an apocalyptic number.

252404487 is a deficient number, since it is larger than the sum of its proper divisors (139405113).

252404487 is a wasteful number, since it uses less digits than its factorization.

252404487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 252404487 is about 15887.2429011456. The cubic root of 252404487 is about 631.9737269095.

The spelling of 252404487 in words is "two hundred fifty-two million, four hundred four thousand, four hundred eighty-seven".