52251013531 has 8 divisors (see below), whose sum is σ = 54576222624. Its totient is φ = 49930256640.

The previous prime is 52251013511. The next prime is 52251013537. The reversal of 52251013531 is 13531015225.

52251013531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52251013531 - 2¹⁷ = 52250882459 is a prime.

It is a super-2 number, since 2×52251013531² (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 52251013531.

It is not an unprimeable number, because it can be changed into a prime (52251013537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089046 + ... + 1136011.

It is an arithmetic number, because the mean of its divisors is an integer number (6822027828).

Almost surely, 2^52251013531 is an apocalyptic number.

52251013531 is a deficient number, since it is larger than the sum of its proper divisors (2325209093).

52251013531 is a wasteful number, since it uses less digits than its factorization.

52251013531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226101.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 52251013531 its reverse (13531015225), we get a palindrome (65782028756).

The spelling of 52251013531 in words is "fifty-two billion, two hundred fifty-one million, thirteen thousand, five hundred thirty-one".