25240655 has 8 divisors (see below), whose sum is σ = 33042384. Its totient is φ = 18356800.

The previous prime is 25240639. The next prime is 25240681. The reversal of 25240655 is 55604252.

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

It is not a de Polignac number, because 25240655 - 2⁴ = 25240639 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, 229406 + ... + 229515.

It is an arithmetic number, because the mean of its divisors is an integer number (4130298).

Almost surely, 2^25240655 is an apocalyptic number.

25240655 is a deficient number, since it is larger than the sum of its proper divisors (7801729).

25240655 is a wasteful number, since it uses less digits than its factorization.

25240655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458937.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25240655 is about 5024.0078622550. The cubic root of 25240655 is about 293.3370185774.

The spelling of 25240655 in words is "twenty-five million, two hundred forty thousand, six hundred fifty-five".