52461531 has 6 divisors (see below), whose sum is σ = 75777780. Its totient is φ = 34974348.

The previous prime is 52461529. The next prime is 52461557. The reversal of 52461531 is 13516425.

It is not a de Polignac number, because 52461531 - 2¹ = 52461529 is a prime.

It is a super-2 number, since 2×52461531² = 5504424469727922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52461495 and 52461504.

It is not an unprimeable number, because it can be changed into a prime (52461511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2914521 + ... + 2914538.

It is an arithmetic number, because the mean of its divisors is an integer number (12629630).

Almost surely, 2^52461531 is an apocalyptic number.

52461531 is a deficient number, since it is larger than the sum of its proper divisors (23316249).

52461531 is a wasteful number, since it uses less digits than its factorization.

52461531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829065 (or 5829062 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 52461531 is about 7243.0332734290. The cubic root of 52461531 is about 374.3521400512.

Adding to 52461531 its reverse (13516425), we get a palindrome (65977956).

The spelling of 52461531 in words is "fifty-two million, four hundred sixty-one thousand, five hundred thirty-one".