253436814 has 12 divisors (see below), whose sum is σ = 549113136. Its totient is φ = 84478932.

The previous prime is 253436767. The next prime is 253436837. The reversal of 253436814 is 418634352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7039894 + ... + 7039929.

It is an arithmetic number, because the mean of its divisors is an integer number (45759428).

Almost surely, 2^253436814 is an apocalyptic number.

253436814 is an abundant number, since it is smaller than the sum of its proper divisors (295676322).

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

253436814 is a wasteful number, since it uses less digits than its factorization.

253436814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14079831 (or 14079828 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 253436814 is about 15919.6989293140. The cubic root of 253436814 is about 632.8341396642.

The spelling of 253436814 in words is "two hundred fifty-three million, four hundred thirty-six thousand, eight hundred fourteen".