253745488 has 10 divisors (see below), whose sum is σ = 491631914. Its totient is φ = 126872736.

The previous prime is 253745483. The next prime is 253745491. The reversal of 253745488 is 884547352.

It can be written as a sum of positive squares in only one way, i.e., 245611584 + 8133904 = 15672^2 + 2852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253745483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7929531 + ... + 7929562.

Almost surely, 2^253745488 is an apocalyptic number.

It is an amenable number.

253745488 is a deficient number, since it is larger than the sum of its proper divisors (237886426).

253745488 is a wasteful number, since it uses less digits than its factorization.

253745488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15859101 (or 15859095 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The square root of 253745488 is about 15929.3906977009. The cubic root of 253745488 is about 633.0909560688.

The spelling of 253745488 in words is "two hundred fifty-three million, seven hundred forty-five thousand, four hundred eighty-eight".