51412315 has 4 divisors (see below), whose sum is σ = 61694784. Its totient is φ = 41129848.

The previous prime is 51412297. The next prime is 51412373. The reversal of 51412315 is 51321415.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51412315 - 2¹⁵ = 51379547 is a prime.

It is a super-2 number, since 2×51412315² = 5286452267318450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5141227 + ... + 5141236.

It is an arithmetic number, because the mean of its divisors is an integer number (15423696).

Almost surely, 2^51412315 is an apocalyptic number.

51412315 is a deficient number, since it is larger than the sum of its proper divisors (10282469).

51412315 is a wasteful number, since it uses less digits than its factorization.

51412315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282468.

The product of its digits is 600, while the sum is 22.

The square root of 51412315 is about 7170.2381410941. The cubic root of 51412315 is about 371.8396691242.

The spelling of 51412315 in words is "fifty-one million, four hundred twelve thousand, three hundred fifteen".