25045869 has 8 divisors (see below), whose sum is σ = 33538752. Its totient is φ = 16625120.

The previous prime is 25045847. The next prime is 25045871. The reversal of 25045869 is 96854052.

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 25045869 - 2⁵ = 25045837 is a prime.

It is a super-2 number, since 2×25045869² = 1254591107930322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045829) 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, 17217 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (4192344).

Almost surely, 2^25045869 is an apocalyptic number.

It is an amenable number.

25045869 is a deficient number, since it is larger than the sum of its proper divisors (8492883).

25045869 is a wasteful number, since it uses less digits than its factorization.

25045869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36067.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 25045869 is about 5004.5847979628. The cubic root of 25045869 is about 292.5804935894.

The spelling of 25045869 in words is "twenty-five million, forty-five thousand, eight hundred sixty-nine".