253308030 has 32 divisors (see below), whose sum is σ = 609596064. Its totient is φ = 67364736.

The previous prime is 253308023. The next prime is 253308053. The reversal of 253308030 is 30803352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129 + ... + 22508.

It is an arithmetic number, because the mean of its divisors is an integer number (19049877).

Almost surely, 2^253308030 is an apocalyptic number.

253308030 is an abundant number, since it is smaller than the sum of its proper divisors (356288034).

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

253308030 is a wasteful number, since it uses less digits than its factorization.

253308030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 253308030 is about 15915.6536152305. The cubic root of 253308030 is about 632.7269298775.

The spelling of 253308030 in words is "two hundred fifty-three million, three hundred eight thousand, thirty".