253247712 has 24 divisors (see below), whose sum is σ = 664775496. Its totient is φ = 84415872.

The previous prime is 253247689. The next prime is 253247717. The reversal of 253247712 is 217742352.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253247717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318903 + ... + 1319094.

It is an arithmetic number, because the mean of its divisors is an integer number (27698979).

Almost surely, 2^253247712 is an apocalyptic number.

It is an amenable number.

253247712 is an abundant number, since it is smaller than the sum of its proper divisors (411527784).

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

253247712 is a wasteful number, since it uses less digits than its factorization.

253247712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638010 (or 2638002 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 253247712 is about 15913.7585755220. The cubic root of 253247712 is about 632.6767040021.

The spelling of 253247712 in words is "two hundred fifty-three million, two hundred forty-seven thousand, seven hundred twelve".