51064313 has 2 divisors, whose sum is σ = 51064314. Its totient is φ = 51064312.

The previous prime is 51064309. The next prime is 51064319. The reversal of 51064313 is 31346015.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 327184 = 7123^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 51064313 - 2² = 51064309 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51064319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25532156 + 25532157.

It is an arithmetic number, because the mean of its divisors is an integer number (25532157).

Almost surely, 2^51064313 is an apocalyptic number.

It is an amenable number.

51064313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51064313 is an equidigital number, since it uses as much as digits as its factorization.

51064313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51064313 is about 7145.9298205342. The cubic root of 51064313 is about 370.9987939601.

The spelling of 51064313 in words is "fifty-one million, sixty-four thousand, three hundred thirteen".