52361631 has 24 divisors (see below), whose sum is σ = 86985600. Its totient is φ = 29731536.

The previous prime is 52361611. The next prime is 52361651. The reversal of 52361631 is 13616325.

52361631 is a `hidden beast` number, since 5 + 23 + 6 + 1 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (52361611) and next prime (52361651).

It is not a de Polignac number, because 52361631 - 2¹⁹ = 51837343 is a prime.

It is a super-2 number, since 2×52361631² = 5483480801960322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52361595 and 52361604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52361611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7720 + ... + 12818.

It is an arithmetic number, because the mean of its divisors is an integer number (3624400).

Almost surely, 2^52361631 is an apocalyptic number.

52361631 is a deficient number, since it is larger than the sum of its proper divisors (34623969).

52361631 is a wasteful number, since it uses less digits than its factorization.

52361631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275 (or 5272 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 52361631 is about 7236.1337052324. The cubic root of 52361631 is about 374.1143687326.

Adding to 52361631 its reverse (13616325), we get a palindrome (65977956).

The spelling of 52361631 in words is "fifty-two million, three hundred sixty-one thousand, six hundred thirty-one".