2567525641 has 2 divisors, whose sum is σ = 2567525642. Its totient is φ = 2567525640.

The previous prime is 2567525621. The next prime is 2567525659. The reversal of 2567525641 is 1465257652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2467605625 + 99920016 = 49675^2 + 9996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2567525641 - 2¹⁷ = 2567394569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2567525621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283762820 + 1283762821.

It is an arithmetic number, because the mean of its divisors is an integer number (1283762821).

Almost surely, 2^2567525641 is an apocalyptic number.

It is an amenable number.

2567525641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2567525641 is an equidigital number, since it uses as much as digits as its factorization.

2567525641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The square root of 2567525641 is about 50670.7572570215. The cubic root of 2567525641 is about 1369.3199318859.

The spelling of 2567525641 in words is "two billion, five hundred sixty-seven million, five hundred twenty-five thousand, six hundred forty-one".