51316267 has 4 divisors (see below), whose sum is σ = 51965920. Its totient is φ = 50666616.

The previous prime is 51316259. The next prime is 51316271. The reversal of 51316267 is 76261315.

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 51316267 - 2³ = 51316259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51316367) 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, 324708 + ... + 324865.

It is an arithmetic number, because the mean of its divisors is an integer number (12991480).

Almost surely, 2^51316267 is an apocalyptic number.

51316267 is a deficient number, since it is larger than the sum of its proper divisors (649653).

51316267 is an equidigital number, since it uses as much as digits as its factorization.

51316267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649652.

The product of its digits is 7560, while the sum is 31.

The square root of 51316267 is about 7163.5373245346. The cubic root of 51316267 is about 371.6079689947.

The spelling of 51316267 in words is "fifty-one million, three hundred sixteen thousand, two hundred sixty-seven".