25655293 has 4 divisors (see below), whose sum is σ = 25711168. Its totient is φ = 25599420.

The previous prime is 25655291. The next prime is 25655303. The reversal of 25655293 is 39255652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25655293 - 2¹ = 25655291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25655291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27243 + ... + 28168.

It is an arithmetic number, because the mean of its divisors is an integer number (6427792).

Almost surely, 2^25655293 is an apocalyptic number.

It is an amenable number.

25655293 is a deficient number, since it is larger than the sum of its proper divisors (55875).

25655293 is an equidigital number, since it uses as much as digits as its factorization.

25655293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55874.

The product of its digits is 81000, while the sum is 37.

The square root of 25655293 is about 5065.1054283203. The cubic root of 25655293 is about 294.9345560084.

The spelling of 25655293 in words is "twenty-five million, six hundred fifty-five thousand, two hundred ninety-three".