253561748 has 24 divisors (see below), whose sum is σ = 484698144. Its totient is φ = 115106400.

The previous prime is 253561733. The next prime is 253561807. The reversal of 253561748 is 847165352.

253561748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35303 + ... + 41873.

It is an arithmetic number, because the mean of its divisors is an integer number (20195756).

Almost surely, 2^253561748 is an apocalyptic number.

It is an amenable number.

253561748 is a deficient number, since it is larger than the sum of its proper divisors (231136396).

253561748 is a wasteful number, since it uses less digits than its factorization.

253561748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7461 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 253561748 is about 15923.6223265939. The cubic root of 253561748 is about 632.9381097113.

The spelling of 253561748 in words is "two hundred fifty-three million, five hundred sixty-one thousand, seven hundred forty-eight".