25560853 has 4 divisors (see below), whose sum is σ = 25714080. Its totient is φ = 25407628.

The previous prime is 25560839. The next prime is 25560869. The reversal of 25560853 is 35806552.

It is a happy number.

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 25560853 - 2²¹ = 23463701 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 (25560823) 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, 76363 + ... + 76696.

It is an arithmetic number, because the mean of its divisors is an integer number (6428520).

Almost surely, 2^25560853 is an apocalyptic number.

It is an amenable number.

25560853 is a deficient number, since it is larger than the sum of its proper divisors (153227).

25560853 is a wasteful number, since it uses less digits than its factorization.

25560853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153226.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25560853 is about 5055.7742235982. The cubic root of 25560853 is about 294.5722153540.

The spelling of 25560853 in words is "twenty-five million, five hundred sixty thousand, eight hundred fifty-three".