52412261 has 4 divisors (see below), whose sum is σ = 57177024. Its totient is φ = 47647500.

The previous prime is 52412249. The next prime is 52412263. The reversal of 52412261 is 16221425.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52412261 - 2¹⁰ = 52411237 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 (52412263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382365 + ... + 2382386.

It is an arithmetic number, because the mean of its divisors is an integer number (14294256).

Almost surely, 2^52412261 is an apocalyptic number.

It is an amenable number.

52412261 is a deficient number, since it is larger than the sum of its proper divisors (4764763).

52412261 is a wasteful number, since it uses less digits than its factorization.

52412261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764762.

The product of its digits is 960, while the sum is 23.

The square root of 52412261 is about 7239.6312751410. The cubic root of 52412261 is about 374.2349106154.

Adding to 52412261 its reverse (16221425), we get a palindrome (68633686).

The spelling of 52412261 in words is "fifty-two million, four hundred twelve thousand, two hundred sixty-one".