253144539 has 6 divisors (see below), whose sum is σ = 365653236. Its totient is φ = 168763020.

The previous prime is 253144513. The next prime is 253144547. The reversal of 253144539 is 935441352.

It is not a de Polignac number, because 253144539 - 2²⁴ = 236367323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253144579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14063577 + ... + 14063594.

It is an arithmetic number, because the mean of its divisors is an integer number (60942206).

Almost surely, 2^253144539 is an apocalyptic number.

253144539 is a deficient number, since it is larger than the sum of its proper divisors (112508697).

253144539 is a wasteful number, since it uses less digits than its factorization.

253144539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28127177 (or 28127174 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 253144539 is about 15910.5166163767. The cubic root of 253144539 is about 632.5907749337.

The spelling of 253144539 in words is "two hundred fifty-three million, one hundred forty-four thousand, five hundred thirty-nine".