25270655 has 4 divisors (see below), whose sum is σ = 30324792. Its totient is φ = 20216520.

The previous prime is 25270649. The next prime is 25270697. The reversal of 25270655 is 55607252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25270655 - 2²⁴ = 8493439 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 3 ways as a sum of consecutive naturals, for example, 2527061 + ... + 2527070.

It is an arithmetic number, because the mean of its divisors is an integer number (7581198).

Almost surely, 2^25270655 is an apocalyptic number.

25270655 is a deficient number, since it is larger than the sum of its proper divisors (5054137).

25270655 is an equidigital number, since it uses as much as digits as its factorization.

25270655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054136.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 25270655 is about 5026.9926397400. The cubic root of 25270655 is about 293.4531886527.

It can be divided in two parts, 252 and 70655, that added together give a palindrome (70907).

The spelling of 25270655 in words is "twenty-five million, two hundred seventy thousand, six hundred fifty-five".