253212539 has 4 divisors (see below), whose sum is σ = 253356024. Its totient is φ = 253069056.

The previous prime is 253212529. The next prime is 253212541. The reversal of 253212539 is 935212352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253212539 - 2⁸ = 253212283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253212529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69062 + ... + 72635.

It is an arithmetic number, because the mean of its divisors is an integer number (63339006).

Almost surely, 2^253212539 is an apocalyptic number.

253212539 is a deficient number, since it is larger than the sum of its proper divisors (143485).

253212539 is a wasteful number, since it uses less digits than its factorization.

253212539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143484.

The product of its digits is 16200, while the sum is 32.

The square root of 253212539 is about 15912.6534242407. The cubic root of 253212539 is about 632.6474123021.

The spelling of 253212539 in words is "two hundred fifty-three million, two hundred twelve thousand, five hundred thirty-nine".