52015252231 has 4 divisors (see below), whose sum is σ = 52067740864. Its totient is φ = 51962763600.

The previous prime is 52015252217. The next prime is 52015252243. The reversal of 52015252231 is 13225251025.

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 52015252231 - 2¹⁷ = 52015121159 is a prime.

It is a super-2 number, since 2×52015252231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52015252231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52015252931) 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, 26242830 + ... + 26244811.

It is an arithmetic number, because the mean of its divisors is an integer number (13016935216).

Almost surely, 2^52015252231 is an apocalyptic number.

52015252231 is a deficient number, since it is larger than the sum of its proper divisors (52488633).

52015252231 is an equidigital number, since it uses as much as digits as its factorization.

52015252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52488632.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 52015252231 in words is "fifty-two billion, fifteen million, two hundred fifty-two thousand, two hundred thirty-one".