253745522 has 16 divisors (see below), whose sum is σ = 398466432. Its totient is φ = 120959520.

The previous prime is 253745521. The next prime is 253745533. The reversal of 253745522 is 225547352.

It is not an unprimeable number, because it can be changed into a prime (253745521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5438 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (24904152).

Almost surely, 2^253745522 is an apocalyptic number.

253745522 is a deficient number, since it is larger than the sum of its proper divisors (144720910).

253745522 is a wasteful number, since it uses less digits than its factorization.

253745522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18073.

The product of its digits is 84000, while the sum is 35.

The square root of 253745522 is about 15929.3917649105. The cubic root of 253745522 is about 633.0909843453.

The spelling of 253745522 in words is "two hundred fifty-three million, seven hundred forty-five thousand, five hundred twenty-two".