253368538 has 16 divisors (see below), whose sum is σ = 390060000. Its totient is φ = 123388272.

The previous prime is 253368523. The next prime is 253368551. The reversal of 253368538 is 835863352.

253368538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253368494 and 253368503.

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, 3013 + ... + 22711.

It is an arithmetic number, because the mean of its divisors is an integer number (24378750).

Almost surely, 2^253368538 is an apocalyptic number.

253368538 is a deficient number, since it is larger than the sum of its proper divisors (136691462).

253368538 is a wasteful number, since it uses less digits than its factorization.

253368538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19869.

The product of its digits is 518400, while the sum is 43.

The square root of 253368538 is about 15917.5543975826. The cubic root of 253368538 is about 632.7773059527. Note that the first 3 decimals are identical.

The spelling of 253368538 in words is "two hundred fifty-three million, three hundred sixty-eight thousand, five hundred thirty-eight".