51282313 has 2 divisors, whose sum is σ = 51282314. Its totient is φ = 51282312.

The previous prime is 51282271. The next prime is 51282317. The reversal of 51282313 is 31328215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 6285049 = 6708^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 51282313 - 2⁹ = 51281801 is a prime.

It is not a weakly prime, because it can be changed into another prime (51282317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25641156 + 25641157.

It is an arithmetic number, because the mean of its divisors is an integer number (25641157).

Almost surely, 2^51282313 is an apocalyptic number.

It is an amenable number.

51282313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51282313 is an equidigital number, since it uses as much as digits as its factorization.

51282313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 51282313 is about 7161.1670138323. The cubic root of 51282313 is about 371.5259913452.

The spelling of 51282313 in words is "fifty-one million, two hundred eighty-two thousand, three hundred thirteen".