25855153 has 4 divisors (see below), whose sum is σ = 26746740. Its totient is φ = 24963568.

The previous prime is 25855129. The next prime is 25855171. The reversal of 25855153 is 35155852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 17164449 = 2948^2 + 4143^2 .

It is a cyclic number.

It is not a de Polignac number, because 25855153 - 2⁵ = 25855121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25855183) 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, 445750 + ... + 445807.

It is an arithmetic number, because the mean of its divisors is an integer number (6686685).

Almost surely, 2^25855153 is an apocalyptic number.

It is an amenable number.

25855153 is a deficient number, since it is larger than the sum of its proper divisors (891587).

25855153 is an equidigital number, since it uses as much as digits as its factorization.

25855153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891586.

The product of its digits is 30000, while the sum is 34.

The square root of 25855153 is about 5084.7962594385. The cubic root of 25855153 is about 295.6984427333.

The spelling of 25855153 in words is "twenty-five million, eight hundred fifty-five thousand, one hundred fifty-three".