25764869 has 8 divisors (see below), whose sum is σ = 28392672. Its totient is φ = 23229360.

The previous prime is 25764841. The next prime is 25764881. The reversal of 25764869 is 96846752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25764869 - 2¹² = 25760773 is a prime.

It is a super-2 number, since 2×25764869² = 1327656949174322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25764169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22487 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (3549084).

Almost surely, 2^25764869 is an apocalyptic number.

It is an amenable number.

25764869 is a deficient number, since it is larger than the sum of its proper divisors (2627803).

25764869 is a wasteful number, since it uses less digits than its factorization.

25764869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46147.

The product of its digits is 725760, while the sum is 47.

The square root of 25764869 is about 5075.9106572122. The cubic root of 25764869 is about 295.3538567109.

The spelling of 25764869 in words is "twenty-five million, seven hundred sixty-four thousand, eight hundred sixty-nine".