5312539 has 4 divisors (see below), whose sum is σ = 5495760. Its totient is φ = 5129320.

The previous prime is 5312519. The next prime is 5312557. The reversal of 5312539 is 9352135.

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 5312539 - 2⁵ = 5312507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312509) 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, 91567 + ... + 91624.

It is an arithmetic number, because the mean of its divisors is an integer number (1373940).

Almost surely, 2^5312539 is an apocalyptic number.

5312539 is a deficient number, since it is larger than the sum of its proper divisors (183221).

5312539 is a wasteful number, since it uses less digits than its factorization.

5312539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183220.

The product of its digits is 4050, while the sum is 28.

The square root of 5312539 is about 2304.8945745955. The cubic root of 5312539 is about 174.4887281548.

The spelling of 5312539 in words is "five million, three hundred twelve thousand, five hundred thirty-nine".