25231955 has 8 divisors (see below), whose sum is σ = 34603872. Its totient is φ = 17301888.

The previous prime is 25231937. The next prime is 25231993. The reversal of 25231955 is 55913252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25231955 - 2¹⁶ = 25166419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360422 + ... + 360491.

It is an arithmetic number, because the mean of its divisors is an integer number (4325484).

Almost surely, 2^25231955 is an apocalyptic number.

25231955 is a deficient number, since it is larger than the sum of its proper divisors (9371917).

25231955 is an equidigital number, since it uses as much as digits as its factorization.

25231955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720925.

The product of its digits is 13500, while the sum is 32.

The square root of 25231955 is about 5023.1419450380. The cubic root of 25231955 is about 293.3033120389.

The spelling of 25231955 in words is "twenty-five million, two hundred thirty-one thousand, nine hundred fifty-five".