2525644202761 has 2 divisors, whose sum is σ = 2525644202762. Its totient is φ = 2525644202760.

The previous prime is 2525644202729. The next prime is 2525644202779. The reversal of 2525644202761 is 1672024465252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2511768540736 + 13875662025 = 1584856^2 + 117795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525644202761 - 2⁵ = 2525644202729 is a prime.

It is a super-3 number, since 3×2525644202761³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2525644272761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262822101380 + 1262822101381.

It is an arithmetic number, because the mean of its divisors is an integer number (1262822101381).

Almost surely, 2^{2525644202761} is an apocalyptic number.

It is an amenable number.

2525644202761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525644202761 is an equidigital number, since it uses as much as digits as its factorization.

2525644202761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 2525644202761 in words is "two trillion, five hundred twenty-five billion, six hundred forty-four million, two hundred two thousand, seven hundred sixty-one".