25995769 has 2 divisors, whose sum is σ = 25995770. Its totient is φ = 25995768.

The previous prime is 25995731. The next prime is 25995787. The reversal of 25995769 is 96759952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 2521744 = 4845^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 25995769 - 2¹⁵ = 25963001 is a prime.

It is a super-2 number, since 2×25995769² = 1351560011802722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25995469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12997884 + 12997885.

It is an arithmetic number, because the mean of its divisors is an integer number (12997885).

Almost surely, 2^25995769 is an apocalyptic number.

It is an amenable number.

25995769 is a deficient number, since it is larger than the sum of its proper divisors (1).

25995769 is an equidigital number, since it uses as much as digits as its factorization.

25995769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 52.

The square root of 25995769 is about 5098.6046130289. The cubic root of 25995769 is about 296.2335363268.

The spelling of 25995769 in words is "twenty-five million, nine hundred ninety-five thousand, seven hundred sixty-nine".