51046313 has 2 divisors, whose sum is σ = 51046314. Its totient is φ = 51046312.

The previous prime is 51046301. The next prime is 51046321. The reversal of 51046313 is 31364015.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 1315609 = 7052^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 51046313 - 2⁴ = 51046297 is a prime.

It is not a weakly prime, because it can be changed into another prime (51046013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523156 + 25523157.

It is an arithmetic number, because the mean of its divisors is an integer number (25523157).

Almost surely, 2^51046313 is an apocalyptic number.

It is an amenable number.

51046313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51046313 is an equidigital number, since it uses as much as digits as its factorization.

51046313 is an evil number, because the sum of its binary digits is even.

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

The square root of 51046313 is about 7144.6702513132. The cubic root of 51046313 is about 370.9551968913.

The spelling of 51046313 in words is "fifty-one million, forty-six thousand, three hundred thirteen".