51246313 has 8 divisors (see below), whose sum is σ = 54324000. Its totient is φ = 48175680.

The previous prime is 51246301. The next prime is 51246319. The reversal of 51246313 is 31364215.

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 51246313 - 2⁹ = 51245801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51246319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24478 + ... + 26488.

It is an arithmetic number, because the mean of its divisors is an integer number (6790500).

Almost surely, 2^51246313 is an apocalyptic number.

It is an amenable number.

51246313 is a deficient number, since it is larger than the sum of its proper divisors (3077687).

51246313 is a wasteful number, since it uses less digits than its factorization.

51246313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527.

The product of its digits is 2160, while the sum is 25.

The square root of 51246313 is about 7158.6530157565. The cubic root of 51246313 is about 371.4390343559.

The spelling of 51246313 in words is "fifty-one million, two hundred forty-six thousand, three hundred thirteen".