52511261 has 8 divisors (see below), whose sum is σ = 57607200. Its totient is φ = 47469040.

The previous prime is 52511243. The next prime is 52511273. The reversal of 52511261 is 16211525.

It is a happy number.

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 52511261 - 2⁶ = 52511197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511161) 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, 11366 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (7200900).

Almost surely, 2^52511261 is an apocalyptic number.

It is an amenable number.

52511261 is a deficient number, since it is larger than the sum of its proper divisors (5095939).

52511261 is a wasteful number, since it uses less digits than its factorization.

52511261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26859.

The product of its digits is 600, while the sum is 23.

The square root of 52511261 is about 7246.4654142554. The cubic root of 52511261 is about 374.4703895714.

Adding to 52511261 its reverse (16211525), we get a palindrome (68722786).

The spelling of 52511261 in words is "fifty-two million, five hundred eleven thousand, two hundred sixty-one".