25238105 has 16 divisors (see below), whose sum is σ = 30818880. Its totient is φ = 19839168.

The previous prime is 25238089. The next prime is 25238113. The reversal of 25238105 is 50183252.

It is a cyclic number.

It is not a de Polignac number, because 25238105 - 2⁴ = 25238089 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140906 + ... + 141084.

It is an arithmetic number, because the mean of its divisors is an integer number (1926180).

Almost surely, 2^25238105 is an apocalyptic number.

It is an amenable number.

25238105 is a deficient number, since it is larger than the sum of its proper divisors (5580775).

25238105 is a wasteful number, since it uses less digits than its factorization.

25238105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 25238105 is about 5023.7540743950. The cubic root of 25238105 is about 293.3271398773.

The spelling of 25238105 in words is "twenty-five million, two hundred thirty-eight thousand, one hundred five".