25258838 has 16 divisors (see below), whose sum is σ = 43764624. Its totient is φ = 10805760.

The previous prime is 25258837. The next prime is 25258843. The reversal of 25258838 is 83885252.

It is a super-2 number, since 2×25258838² = 1276017794220488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25258795 and 25258804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258837) 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, 33395 + ... + 34142.

It is an arithmetic number, because the mean of its divisors is an integer number (2735289).

Almost surely, 2^25258838 is an apocalyptic number.

25258838 is a deficient number, since it is larger than the sum of its proper divisors (18505786).

25258838 is a wasteful number, since it uses less digits than its factorization.

25258838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67567.

The product of its digits is 153600, while the sum is 41.

The square root of 25258838 is about 5025.8171474896. The cubic root of 25258838 is about 293.4074402409.

The spelling of 25258838 in words is "twenty-five million, two hundred fifty-eight thousand, eight hundred thirty-eight".