2516141521 has 2 divisors, whose sum is σ = 2516141522. Its totient is φ = 2516141520.

The previous prime is 2516141501. The next prime is 2516141527. The reversal of 2516141521 is 1251416152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1450771921 + 1065369600 = 38089^2 + 32640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516141521 - 2⁵ = 2516141489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2516141521.

It is not a weakly prime, because it can be changed into another prime (2516141527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258070760 + 1258070761.

It is an arithmetic number, because the mean of its divisors is an integer number (1258070761).

Almost surely, 2^2516141521 is an apocalyptic number.

It is an amenable number.

2516141521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516141521 is an equidigital number, since it uses as much as digits as its factorization.

2516141521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 28.

The square root of 2516141521 is about 50161.1554990513. The cubic root of 2516141521 is about 1360.1235327883.

Adding to 2516141521 its reverse (1251416152), we get a palindrome (3767557673).

The spelling of 2516141521 in words is "two billion, five hundred sixteen million, one hundred forty-one thousand, five hundred twenty-one".