52526413 has 4 divisors (see below), whose sum is σ = 55616220. Its totient is φ = 49436608.

The previous prime is 52526351. The next prime is 52526423. The reversal of 52526413 is 31462525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 7193124 = 6733^2 + 2682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52526413 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 (52526423) 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, 1544878 + ... + 1544911.

It is an arithmetic number, because the mean of its divisors is an integer number (13904055).

Almost surely, 2^52526413 is an apocalyptic number.

It is an amenable number.

52526413 is a deficient number, since it is larger than the sum of its proper divisors (3089807).

52526413 is a wasteful number, since it uses less digits than its factorization.

52526413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089806.

The product of its digits is 7200, while the sum is 28.

The square root of 52526413 is about 7247.5108140658. The cubic root of 52526413 is about 374.5064036224.

Adding to 52526413 its reverse (31462525), we get a palindrome (83988938).

The spelling of 52526413 in words is "fifty-two million, five hundred twenty-six thousand, four hundred thirteen".