2525123969 has 2 divisors, whose sum is σ = 2525123970. Its totient is φ = 2525123968.

The previous prime is 2525123929. The next prime is 2525123971. The reversal of 2525123969 is 9693215252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2518032400 + 7091569 = 50180^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525123969 - 2²⁸ = 2256688513 is a prime.

It is a super-2 number, since 2×2525123969² = 12752502117636625922, which contains 22 as substring.

Together with 2525123971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2525123929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262561984 + 1262561985.

It is an arithmetic number, because the mean of its divisors is an integer number (1262561985).

Almost surely, 2^2525123969 is an apocalyptic number.

It is an amenable number.

2525123969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525123969 is an equidigital number, since it uses as much as digits as its factorization.

2525123969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 2525123969 is about 50250.6116281185. The cubic root of 2525123969 is about 1361.7401256737.

The spelling of 2525123969 in words is "two billion, five hundred twenty-five million, one hundred twenty-three thousand, nine hundred sixty-nine".