51324413 has 12 divisors (see below), whose sum is σ = 61094880. Its totient is φ = 42967512.

The previous prime is 51324401. The next prime is 51324421. The reversal of 51324413 is 31442315.

It is not a de Polignac number, because 51324413 - 2⁴ = 51324397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51324433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10073 + ... + 14286.

It is an arithmetic number, because the mean of its divisors is an integer number (5091240).

Almost surely, 2^51324413 is an apocalyptic number.

It is an amenable number.

51324413 is a deficient number, since it is larger than the sum of its proper divisors (9770467).

51324413 is a wasteful number, since it uses less digits than its factorization.

51324413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24416 (or 24409 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 51324413 is about 7164.1058758229. The cubic root of 51324413 is about 371.6276311053.

Adding to 51324413 its reverse (31442315), we get a palindrome (82766728).

The spelling of 51324413 in words is "fifty-one million, three hundred twenty-four thousand, four hundred thirteen".