25750769 has 4 divisors (see below), whose sum is σ = 28091760. Its totient is φ = 23409780.

The previous prime is 25750763. The next prime is 25750771. The reversal of 25750769 is 96705752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25750769 - 2²⁰ = 24702193 is a prime.

It is a super-2 number, since 2×25750769² = 1326204208182722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25750763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170479 + ... + 1170500.

It is an arithmetic number, because the mean of its divisors is an integer number (7022940).

Almost surely, 2^25750769 is an apocalyptic number.

It is an amenable number.

25750769 is a deficient number, since it is larger than the sum of its proper divisors (2340991).

25750769 is a wasteful number, since it uses less digits than its factorization.

25750769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340990.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 25750769 is about 5074.5215538019. The cubic root of 25750769 is about 295.2999687431.

The spelling of 25750769 in words is "twenty-five million, seven hundred fifty thousand, seven hundred sixty-nine".