52415121 has 16 divisors (see below), whose sum is σ = 76704768. Its totient is φ = 31573200.

The previous prime is 52415119. The next prime is 52415149. The reversal of 52415121 is 12151425.

It is not a de Polignac number, because 52415121 - 2¹ = 52415119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52415101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756 + ... + 10266.

It is an arithmetic number, because the mean of its divisors is an integer number (4794048).

Almost surely, 2^52415121 is an apocalyptic number.

It is an amenable number.

52415121 is a deficient number, since it is larger than the sum of its proper divisors (24289647).

52415121 is a wasteful number, since it uses less digits than its factorization.

52415121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692.

The product of its digits is 400, while the sum is 21.

The square root of 52415121 is about 7239.8287963183. The cubic root of 52415121 is about 374.2417174983.

Adding to 52415121 its reverse (12151425), we get a palindrome (64566546).

The spelling of 52415121 in words is "fifty-two million, four hundred fifteen thousand, one hundred twenty-one".