52515234 has 12 divisors (see below), whose sum is σ = 113783046. Its totient is φ = 17505072.

The previous prime is 52515217. The next prime is 52515263. The reversal of 52515234 is 43251525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51883209 + 632025 = 7203^2 + 795^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52515198 and 52515207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458739 + ... + 1458774.

Almost surely, 2^52515234 is an apocalyptic number.

52515234 is an abundant number, since it is smaller than the sum of its proper divisors (61267812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52515234 is a wasteful number, since it uses less digits than its factorization.

52515234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917521 (or 2917518 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52515234 is about 7246.7395427185. The cubic root of 52515234 is about 374.4798334717.

Adding to 52515234 its reverse (43251525), we get a palindrome (95766759).

The spelling of 52515234 in words is "fifty-two million, five hundred fifteen thousand, two hundred thirty-four".