51674913 has 12 divisors (see below), whose sum is σ = 75481380. Its totient is φ = 34062336.

The previous prime is 51674911. The next prime is 51674921. The reversal of 51674913 is 31947615.

51674913 is a `hidden beast` number, since 5 + 167 + 491 + 3 = 666.

51674913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10419984 + 41254929 = 3228^2 + 6423^2 .

It is not a de Polignac number, because 51674913 - 2¹ = 51674911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51674911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31456 + ... + 33057.

It is an arithmetic number, because the mean of its divisors is an integer number (6290115).

Almost surely, 2^51674913 is an apocalyptic number.

It is an amenable number.

51674913 is a deficient number, since it is larger than the sum of its proper divisors (23806467).

51674913 is a wasteful number, since it uses less digits than its factorization.

51674913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64608 (or 64605 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 51674913 is about 7188.5264832231. The cubic root of 51674913 is about 372.4716744973.

The spelling of 51674913 in words is "fifty-one million, six hundred seventy-four thousand, nine hundred thirteen".