253705752 has 24 divisors (see below), whose sum is σ = 687119940. Its totient is φ = 84568560.

The previous prime is 253705747. The next prime is 253705763. The reversal of 253705752 is 257507352.

It is a happy number.

253705752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1761774 + ... + 1761917.

Almost surely, 2^253705752 is an apocalyptic number.

It is an amenable number.

253705752 is an abundant number, since it is smaller than the sum of its proper divisors (433414188).

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

253705752 is a wasteful number, since it uses less digits than its factorization.

253705752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523703 (or 3523696 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 253705752 is about 15928.1433946333. The cubic root of 253705752 is about 633.0579074477.

The spelling of 253705752 in words is "two hundred fifty-three million, seven hundred five thousand, seven hundred fifty-two".