52525413531 has 12 divisors (see below), whose sum is σ = 79863202120. Its totient is φ = 33173945280.

The previous prime is 52525413529. The next prime is 52525413581. The reversal of 52525413531 is 13531452525.

52525413531 is a `hidden beast` number, since 5 + 2 + 52 + 541 + 35 + 31 = 666.

It is not a de Polignac number, because 52525413531 - 2¹ = 52525413529 is a prime.

It is a super-2 number, since 2×52525413531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52525413581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153582910 + ... + 153583251.

Almost surely, 2^52525413531 is an apocalyptic number.

52525413531 is a deficient number, since it is larger than the sum of its proper divisors (27337788589).

52525413531 is a wasteful number, since it uses less digits than its factorization.

52525413531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307166186 (or 307166183 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 52525413531 in words is "fifty-two billion, five hundred twenty-five million, four hundred thirteen thousand, five hundred thirty-one".