25242455 has 8 divisors (see below), whose sum is σ = 34618272. Its totient is φ = 17309088.

The previous prime is 25242449. The next prime is 25242479. The reversal of 25242455 is 55424252.

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 25242455 - 2⁴ = 25242439 is a prime.

It is a Duffinian number.

It is a congruent 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, 360572 + ... + 360641.

It is an arithmetic number, because the mean of its divisors is an integer number (4327284).

Almost surely, 2^25242455 is an apocalyptic number.

25242455 is a deficient number, since it is larger than the sum of its proper divisors (9375817).

25242455 is an equidigital number, since it uses as much as digits as its factorization.

25242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721225.

The product of its digits is 16000, while the sum is 29.

The square root of 25242455 is about 5024.1869989084. The cubic root of 25242455 is about 293.3439913770.

The spelling of 25242455 in words is "twenty-five million, two hundred forty-two thousand, four hundred fifty-five".