25250969 has 4 divisors (see below), whose sum is σ = 25264896. Its totient is φ = 25237044.

The previous prime is 25250947. The next prime is 25250971. The reversal of 25250969 is 96905252.

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 25250969 - 2⁸ = 25250713 is a prime.

It is a super-2 number, since 2×25250969² = 1275222870877922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25250999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749 + ... + 8034.

It is an arithmetic number, because the mean of its divisors is an integer number (6316224).

Almost surely, 2^25250969 is an apocalyptic number.

It is an amenable number.

25250969 is a deficient number, since it is larger than the sum of its proper divisors (13927).

25250969 is a wasteful number, since it uses less digits than its factorization.

25250969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 25250969 is about 5025.0342287391. The cubic root of 25250969 is about 293.3769682275.

The spelling of 25250969 in words is "twenty-five million, two hundred fifty thousand, nine hundred sixty-nine".