2525954869 has 2 divisors, whose sum is σ = 2525954870. Its totient is φ = 2525954868.

The previous prime is 2525954863. The next prime is 2525954933. The reversal of 2525954869 is 9684595252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1999252369 + 526702500 = 44713^2 + 22950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525954869 - 2³ = 2525954861 is a prime.

It is a super-2 number, since 2×2525954869² = 12760896000449614322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525954861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262977434 + 1262977435.

It is an arithmetic number, because the mean of its divisors is an integer number (1262977435).

Almost surely, 2^2525954869 is an apocalyptic number.

It is an amenable number.

2525954869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525954869 is an equidigital number, since it uses as much as digits as its factorization.

2525954869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776000, while the sum is 55.

The square root of 2525954869 is about 50258.8785091749. The cubic root of 2525954869 is about 1361.8894709207.

The spelling of 2525954869 in words is "two billion, five hundred twenty-five million, nine hundred fifty-four thousand, eight hundred sixty-nine".