2521608619 has 2 divisors, whose sum is σ = 2521608620. Its totient is φ = 2521608618.

The previous prime is 2521608587. The next prime is 2521608679. The reversal of 2521608619 is 9168061252.

2521608619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521608619 - 2⁵ = 2521608587 is a prime.

It is a super-2 number, since 2×2521608619² = 12717020054830174322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2521608679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260804309 + 1260804310.

It is an arithmetic number, because the mean of its divisors is an integer number (1260804310).

Almost surely, 2^2521608619 is an apocalyptic number.

2521608619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521608619 is an equidigital number, since it uses as much as digits as its factorization.

2521608619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2521608619 is about 50215.6212647021. The cubic root of 2521608619 is about 1361.1079169409.

The spelling of 2521608619 in words is "two billion, five hundred twenty-one million, six hundred eight thousand, six hundred nineteen".