2521615363 has 2 divisors, whose sum is σ = 2521615364. Its totient is φ = 2521615362.

The previous prime is 2521615307. The next prime is 2521615367. The reversal of 2521615363 is 3635161252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521615363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521615367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260807681 + 1260807682.

It is an arithmetic number, because the mean of its divisors is an integer number (1260807682).

Almost surely, 2^2521615363 is an apocalyptic number.

2521615363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521615363 is an equidigital number, since it uses as much as digits as its factorization.

2521615363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 2521615363 is about 50215.6884150760. The cubic root of 2521615363 is about 1361.1091303600.

The spelling of 2521615363 in words is "two billion, five hundred twenty-one million, six hundred fifteen thousand, three hundred sixty-three".