5015616521 has 2 divisors, whose sum is σ = 5015616522. Its totient is φ = 5015616520.

The previous prime is 5015616479. The next prime is 5015616527. The reversal of 5015616521 is 1256165105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4888806400 + 126810121 = 69920^2 + 11261^2 .

It is a cyclic number.

It is not a de Polignac number, because 5015616521 - 2⁶ = 5015616457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5015616527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507808260 + 2507808261.

It is an arithmetic number, because the mean of its divisors is an integer number (2507808261).

Almost surely, 2^5015616521 is an apocalyptic number.

It is an amenable number.

5015616521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5015616521 is an equidigital number, since it uses as much as digits as its factorization.

5015616521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 5015616521 is about 70821.0175089288. The cubic root of 5015616521 is about 1711.7543548086.

The spelling of 5015616521 in words is "five billion, fifteen million, six hundred sixteen thousand, five hundred twenty-one".