25238169 has 16 divisors (see below), whose sum is σ = 40789440. Its totient is φ = 15295680.

The previous prime is 25238159. The next prime is 25238189. The reversal of 25238169 is 96183252.

It is not a de Polignac number, because 25238169 - 2⁷ = 25238041 is a prime.

It is a super-2 number, since 2×25238169² = 1273930348945122, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (25238159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42192 + ... + 42785.

It is an arithmetic number, because the mean of its divisors is an integer number (2549340).

Almost surely, 2^25238169 is an apocalyptic number.

It is an amenable number.

25238169 is a deficient number, since it is larger than the sum of its proper divisors (15551271).

25238169 is a wasteful number, since it uses less digits than its factorization.

25238169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84997 (or 84991 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 25238169 is about 5023.7604441295. The cubic root of 25238169 is about 293.3273878214.

The spelling of 25238169 in words is "twenty-five million, two hundred thirty-eight thousand, one hundred sixty-nine".