25480238 has 16 divisors (see below), whose sum is σ = 43745280. Its totient is φ = 10903896.

The previous prime is 25480211. The next prime is 25480261. The reversal of 25480238 is 83208452.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17195 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (2734080).

Almost surely, 2^25480238 is an apocalyptic number.

25480238 is a deficient number, since it is larger than the sum of its proper divisors (18265042).

25480238 is a wasteful number, since it uses less digits than its factorization.

25480238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 25480238 is about 5047.7953603529. The cubic root of 25480238 is about 294.2622107321.

The spelling of 25480238 in words is "twenty-five million, four hundred eighty thousand, two hundred thirty-eight".