2525756669 has 2 divisors, whose sum is σ = 2525756670. Its totient is φ = 2525756668.

The previous prime is 2525756647. The next prime is 2525756671. The reversal of 2525756669 is 9666575252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2516527225 + 9229444 = 50165^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525756669 - 2²⁴ = 2508979453 is a prime.

It is a super-2 number, since 2×2525756669² = 12758893501995951122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2525756671, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525756669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525756609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262878334 + 1262878335.

It is an arithmetic number, because the mean of its divisors is an integer number (1262878335).

Almost surely, 2^2525756669 is an apocalyptic number.

It is an amenable number.

2525756669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525756669 is an equidigital number, since it uses as much as digits as its factorization.

2525756669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 53.

The square root of 2525756669 is about 50256.9066795799. The cubic root of 2525756669 is about 1361.8538495990.

The spelling of 2525756669 in words is "two billion, five hundred twenty-five million, seven hundred fifty-six thousand, six hundred sixty-nine".