253242544 has 10 divisors (see below), whose sum is σ = 490657460. Its totient is φ = 126621264.

The previous prime is 253242511. The next prime is 253242547. The reversal of 253242544 is 445242352.

It is not an unprimeable number, because it can be changed into a prime (253242547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7913814 + ... + 7913845.

It is an arithmetic number, because the mean of its divisors is an integer number (49065746).

Almost surely, 2^253242544 is an apocalyptic number.

It is an amenable number.

253242544 is a deficient number, since it is larger than the sum of its proper divisors (237414916).

253242544 is a wasteful number, since it uses less digits than its factorization.

253242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827667 (or 15827661 counting only the distinct ones).

The product of its digits is 38400, while the sum is 31.

The square root of 253242544 is about 15913.5961994767. The cubic root of 253242544 is about 632.6724003167.

Adding to 253242544 its reverse (445242352), we get a palindrome (698484896).

The spelling of 253242544 in words is "two hundred fifty-three million, two hundred forty-two thousand, five hundred forty-four".