253440652 has 12 divisors (see below), whose sum is σ = 445820536. Its totient is φ = 126063360.

The previous prime is 253440631. The next prime is 253440653. The reversal of 253440652 is 256044352.

253440652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253440653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163374 + ... + 164917.

Almost surely, 2^253440652 is an apocalyptic number.

It is an amenable number.

253440652 is a deficient number, since it is larger than the sum of its proper divisors (192379884).

253440652 is a wasteful number, since it uses less digits than its factorization.

253440652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328488 (or 328486 counting only the distinct ones).

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

The square root of 253440652 is about 15919.8194713382. The cubic root of 253440652 is about 632.8373341556.

The spelling of 253440652 in words is "two hundred fifty-three million, four hundred forty thousand, six hundred fifty-two".