5100917321 has 2 divisors, whose sum is σ = 5100917322. Its totient is φ = 5100917320.

The previous prime is 5100917309. The next prime is 5100917377. The reversal of 5100917321 is 1237190015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5095104400 + 5812921 = 71380^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100917321 - 2²² = 5096723017 is a prime.

It is not a weakly prime, because it can be changed into another prime (5100916321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550458660 + 2550458661.

It is an arithmetic number, because the mean of its divisors is an integer number (2550458661).

Almost surely, 2^5100917321 is an apocalyptic number.

It is an amenable number.

5100917321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100917321 is an equidigital number, since it uses as much as digits as its factorization.

5100917321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 5100917321 is about 71420.7065282891. The cubic root of 5100917321 is about 1721.4038161869.

The spelling of 5100917321 in words is "five billion, one hundred million, nine hundred seventeen thousand, three hundred twenty-one".