253161400 has 48 divisors (see below), whose sum is σ = 604526040. Its totient is φ = 98524800.

The previous prime is 253161397. The next prime is 253161413. The reversal of 253161400 is 4161352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9706 + ... + 24505.

Almost surely, 2^253161400 is an apocalyptic number.

253161400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253161400 is an abundant number, since it is smaller than the sum of its proper divisors (351364640).

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

253161400 is a wasteful number, since it uses less digits than its factorization.

253161400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34264 (or 34255 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 253161400 is about 15911.0464772120. The cubic root of 253161400 is about 632.6048194479.

The spelling of 253161400 in words is "two hundred fifty-three million, one hundred sixty-one thousand, four hundred".