252653404 has 12 divisors (see below), whose sum is σ = 442260000. Its totient is φ = 126293408.

The previous prime is 252653383. The next prime is 252653407. The reversal of 252653404 is 404356252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252653407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17997 + ... + 28795.

It is an arithmetic number, because the mean of its divisors is an integer number (36855000).

Almost surely, 2^252653404 is an apocalyptic number.

It is an amenable number.

252653404 is a deficient number, since it is larger than the sum of its proper divisors (189606596).

252653404 is a wasteful number, since it uses less digits than its factorization.

252653404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16652 (or 16650 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 252653404 is about 15895.0748346776. The cubic root of 252653404 is about 632.1814058914.

The spelling of 252653404 in words is "two hundred fifty-two million, six hundred fifty-three thousand, four hundred four".