2522664247 has 2 divisors, whose sum is σ = 2522664248. Its totient is φ = 2522664246.

The previous prime is 2522664241. The next prime is 2522664251. The reversal of 2522664247 is 7424662252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2522664247 - 2¹⁹ = 2522139959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2522664241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261332123 + 1261332124.

It is an arithmetic number, because the mean of its divisors is an integer number (1261332124).

Almost surely, 2^2522664247 is an apocalyptic number.

2522664247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522664247 is an equidigital number, since it uses as much as digits as its factorization.

2522664247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 40.

The square root of 2522664247 is about 50226.1311171784. The cubic root of 2522664247 is about 1361.2978252351.

The spelling of 2522664247 in words is "two billion, five hundred twenty-two million, six hundred sixty-four thousand, two hundred forty-seven".