25938407 has 12 divisors (see below), whose sum is σ = 29123808. Its totient is φ = 23073600.

The previous prime is 25938397. The next prime is 25938449. The reversal of 25938407 is 70483952.

It is not a de Polignac number, because 25938407 - 2⁴ = 25938391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25938467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3407 + ... + 7967.

It is an arithmetic number, because the mean of its divisors is an integer number (2426984).

Almost surely, 2^25938407 is an apocalyptic number.

25938407 is a deficient number, since it is larger than the sum of its proper divisors (3185401).

25938407 is a wasteful number, since it uses less digits than its factorization.

25938407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 25938407 is about 5092.9762418452. The cubic root of 25938407 is about 296.0154872284.

The spelling of 25938407 in words is "twenty-five million, nine hundred thirty-eight thousand, four hundred seven".