253957404 has 24 divisors (see below), whose sum is σ = 592824960. Its totient is φ = 84615664.

The previous prime is 253957399. The next prime is 253957411. The reversal of 253957404 is 404759352.

253957404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51937 + ... + 56615.

It is an arithmetic number, because the mean of its divisors is an integer number (24701040).

Almost surely, 2^253957404 is an apocalyptic number.

It is an amenable number.

253957404 is an abundant number, since it is smaller than the sum of its proper divisors (338867556).

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

253957404 is a wasteful number, since it uses less digits than its factorization.

253957404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 253957404 is about 15936.0410391038. The cubic root of 253957404 is about 633.2671493782.

The spelling of 253957404 in words is "two hundred fifty-three million, nine hundred fifty-seven thousand, four hundred four".