5105662321 has 2 divisors, whose sum is σ = 5105662322. Its totient is φ = 5105662320.

The previous prime is 5105662297. The next prime is 5105662399. The reversal of 5105662321 is 1232665015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5103530721 + 2131600 = 71439^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105662321 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105662421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552831160 + 2552831161.

It is an arithmetic number, because the mean of its divisors is an integer number (2552831161).

Almost surely, 2^5105662321 is an apocalyptic number.

It is an amenable number.

5105662321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105662321 is an equidigital number, since it uses as much as digits as its factorization.

5105662321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5105662321 is about 71453.9174643350. The cubic root of 5105662321 is about 1721.9374149621.

The spelling of 5105662321 in words is "five billion, one hundred five million, six hundred sixty-two thousand, three hundred twenty-one".