253436620 has 24 divisors (see below), whose sum is σ = 533469888. Its totient is φ = 101136000.

The previous prime is 253436567. The next prime is 253436681. The reversal of 253436620 is 26634352.

It is a happy number.

253436620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 6081 + ... + 23320.

It is an arithmetic number, because the mean of its divisors is an integer number (22227912).

Almost surely, 2^253436620 is an apocalyptic number.

253436620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253436620 is an abundant number, since it is smaller than the sum of its proper divisors (280033268).

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

253436620 is a wasteful number, since it uses less digits than its factorization.

253436620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29841 (or 29839 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 253436620 is about 15919.6928362327. The cubic root of 253436620 is about 632.8339781909.

The spelling of 253436620 in words is "two hundred fifty-three million, four hundred thirty-six thousand, six hundred twenty".