253604670 has 64 divisors (see below), whose sum is σ = 692872704. Its totient is φ = 58805120.

The previous prime is 253604569. The next prime is 253604671. The reversal of 253604670 is 76406352.

253604670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253604671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9117 + ... + 24296.

It is an arithmetic number, because the mean of its divisors is an integer number (10826136).

Almost surely, 2^253604670 is an apocalyptic number.

253604670 is an abundant number, since it is smaller than the sum of its proper divisors (439268034).

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

253604670 is a wasteful number, since it uses less digits than its factorization.

253604670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33457.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 253604670 is about 15924.9700156704. The cubic root of 253604670 is about 632.9738215080.

The spelling of 253604670 in words is "two hundred fifty-three million, six hundred four thousand, six hundred seventy".