52031247 has 16 divisors (see below), whose sum is σ = 71491200. Its totient is φ = 33640992.

The previous prime is 52031227. The next prime is 52031279. The reversal of 52031247 is 74213025.

It is not a de Polignac number, because 52031247 - 2¹⁴ = 52014863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52031207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17868 + ... + 20574.

It is an arithmetic number, because the mean of its divisors is an integer number (4468200).

Almost surely, 2^52031247 is an apocalyptic number.

52031247 is a deficient number, since it is larger than the sum of its proper divisors (19459953).

52031247 is a wasteful number, since it uses less digits than its factorization.

52031247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52031247 is about 7213.2688151767. The cubic root of 52031247 is about 373.3258633887.

The spelling of 52031247 in words is "fifty-two million, thirty-one thousand, two hundred forty-seven".