51351115 has 8 divisors (see below), whose sum is σ = 61673040. Its totient is φ = 41046432.

The previous prime is 51351109. The next prime is 51351133. The reversal of 51351115 is 51115315.

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 51351115 - 2⁹ = 51350603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3552 + ... + 10738.

It is an arithmetic number, because the mean of its divisors is an integer number (7709130).

Almost surely, 2^51351115 is an apocalyptic number.

51351115 is a deficient number, since it is larger than the sum of its proper divisors (10321925).

51351115 is a wasteful number, since it uses less digits than its factorization.

51351115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621.

The product of its digits is 375, while the sum is 22.

The square root of 51351115 is about 7165.9692296297. The cubic root of 51351115 is about 371.6920675015.

The spelling of 51351115 in words is "fifty-one million, three hundred fifty-one thousand, one hundred fifteen".