52506413 has 8 divisors (see below), whose sum is σ = 53164800. Its totient is φ = 51851088.

The previous prime is 52506407. The next prime is 52506427. The reversal of 52506413 is 31460525.

52506413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52506413 - 2²² = 48312109 is a prime.

It is a super-2 number, since 2×52506413² = 5513846812253138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52506463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72668 + ... + 73386.

It is an arithmetic number, because the mean of its divisors is an integer number (6645600).

Almost surely, 2^52506413 is an apocalyptic number.

It is an amenable number.

52506413 is a deficient number, since it is larger than the sum of its proper divisors (658387).

52506413 is a wasteful number, since it uses less digits than its factorization.

52506413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52506413 is about 7246.1308986245. The cubic root of 52506413 is about 374.4588651334.

Adding to 52506413 its reverse (31460525), we get a palindrome (83966938).

The spelling of 52506413 in words is "fifty-two million, five hundred six thousand, four hundred thirteen".