253963804 has 24 divisors (see below), whose sum is σ = 472384640. Its totient is φ = 119127024.

The previous prime is 253963763. The next prime is 253963837. The reversal of 253963804 is 408369352.

253963804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253963804² = 128995227484300832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8394 + ... + 24049.

Almost surely, 2^253963804 is an apocalyptic number.

It is an amenable number.

253963804 is a deficient number, since it is larger than the sum of its proper divisors (218420836).

253963804 is a wasteful number, since it uses less digits than its factorization.

253963804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32569 (or 32567 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 253963804 is about 15936.2418405344. The cubic root of 253963804 is about 633.2724690048.

The spelling of 253963804 in words is "two hundred fifty-three million, nine hundred sixty-three thousand, eight hundred four".