25964469 has 20 divisors (see below), whose sum is σ = 40830240. Its totient is φ = 16397640.

The previous prime is 25964459. The next prime is 25964473. The reversal of 25964469 is 96446952.

It is not a de Polignac number, because 25964469 - 2²¹ = 23867317 is a prime.

It is a super-2 number, since 2×25964469² = 1348307300903922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25964429) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6897 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (2041512).

Almost surely, 2^25964469 is an apocalyptic number.

It is an amenable number.

25964469 is a deficient number, since it is larger than the sum of its proper divisors (14865771).

25964469 is a wasteful number, since it uses less digits than its factorization.

25964469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902 (or 16893 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 25964469 is about 5095.5342212569. The cubic root of 25964469 is about 296.1145960291.

The spelling of 25964469 in words is "twenty-five million, nine hundred sixty-four thousand, four hundred sixty-nine".