51874913 has 16 divisors (see below), whose sum is σ = 55403136. Its totient is φ = 48470400.

The previous prime is 51874897. The next prime is 51874919. The reversal of 51874913 is 31947815.

It is a cyclic number.

It is not a de Polignac number, because 51874913 - 2⁴ = 51874897 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 318170 + ... + 318332.

It is an arithmetic number, because the mean of its divisors is an integer number (3462696).

Almost surely, 2^51874913 is an apocalyptic number.

It is an amenable number.

51874913 is a deficient number, since it is larger than the sum of its proper divisors (3528223).

51874913 is a wasteful number, since it uses less digits than its factorization.

51874913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its digits is 30240, while the sum is 38.

The square root of 51874913 is about 7202.4241058133. The cubic root of 51874913 is about 372.9515878009.

The spelling of 51874913 in words is "fifty-one million, eight hundred seventy-four thousand, nine hundred thirteen".