25996769 has 4 divisors (see below), whose sum is σ = 27365040. Its totient is φ = 24628500.

The previous prime is 25996703. The next prime is 25996771. The reversal of 25996769 is 96769952.

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 25996769 - 2¹⁶ = 25931233 is a prime.

It is a super-2 number, since 2×25996769² = 1351663996878722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25996769.

It is not an unprimeable number, because it can be changed into a prime (25996169) 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, 684107 + ... + 684144.

It is an arithmetic number, because the mean of its divisors is an integer number (6841260).

Almost surely, 2^25996769 is an apocalyptic number.

It is an amenable number.

25996769 is a deficient number, since it is larger than the sum of its proper divisors (1368271).

25996769 is a wasteful number, since it uses less digits than its factorization.

25996769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368270.

The product of its digits is 1837080, while the sum is 53.

The square root of 25996769 is about 5098.7026781329. The cubic root of 25996769 is about 296.2373347621.

The spelling of 25996769 in words is "twenty-five million, nine hundred ninety-six thousand, seven hundred sixty-nine".