2566008251 has 2 divisors, whose sum is σ = 2566008252. Its totient is φ = 2566008250.

The previous prime is 2566008241. The next prime is 2566008257. The reversal of 2566008251 is 1528006652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566008251 - 2¹⁴ = 2565991867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2566008257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283004125 + 1283004126.

It is an arithmetic number, because the mean of its divisors is an integer number (1283004126).

Almost surely, 2^2566008251 is an apocalyptic number.

2566008251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566008251 is an equidigital number, since it uses as much as digits as its factorization.

2566008251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2566008251 is about 50655.7820095594. The cubic root of 2566008251 is about 1369.0501258395.

The spelling of 2566008251 in words is "two billion, five hundred sixty-six million, eight thousand, two hundred fifty-one".