51874999 has 12 divisors (see below), whose sum is σ = 58565752. Its totient is φ = 45880560.

The previous prime is 51874967. The next prime is 51875003. The reversal of 51874999 is 99947815.

It is not a de Polignac number, because 51874999 - 2⁵ = 51874967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51874919) 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, 1317 + ... + 10270.

Almost surely, 2^51874999 is an apocalyptic number.

51874999 is a deficient number, since it is larger than the sum of its proper divisors (6690753).

51874999 is a wasteful number, since it uses less digits than its factorization.

51874999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646 (or 11635 counting only the distinct ones).

The product of its digits is 816480, while the sum is 52.

The square root of 51874999 is about 7202.4300760230. The cubic root of 51874999 is about 372.9517938981.

The spelling of 51874999 in words is "fifty-one million, eight hundred seventy-four thousand, nine hundred ninety-nine".