2523715081 has 2 divisors, whose sum is σ = 2523715082. Its totient is φ = 2523715080.

The previous prime is 2523715039. The next prime is 2523715121. The reversal of 2523715081 is 1805173252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2522048400 + 1666681 = 50220^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523715081 - 2²⁹ = 1986844169 is a prime.

It is a super-2 number, since 2×2523715081² = 12738275620133673122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2523715031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261857540 + 1261857541.

It is an arithmetic number, because the mean of its divisors is an integer number (1261857541).

Almost surely, 2^2523715081 is an apocalyptic number.

It is an amenable number.

2523715081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523715081 is an equidigital number, since it uses as much as digits as its factorization.

2523715081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 2523715081 is about 50236.5910567188. The cubic root of 2523715081 is about 1361.4868184736.

The spelling of 2523715081 in words is "two billion, five hundred twenty-three million, seven hundred fifteen thousand, eighty-one".