25155253 has 4 divisors (see below), whose sum is σ = 25210048. Its totient is φ = 25100460.

The previous prime is 25155239. The next prime is 25155287. The reversal of 25155253 is 35255152.

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 25155253 - 2⁹ = 25154741 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 (25155203) 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, 26703 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (6302512).

Almost surely, 2^25155253 is an apocalyptic number.

It is an amenable number.

25155253 is a deficient number, since it is larger than the sum of its proper divisors (54795).

25155253 is an equidigital number, since it uses as much as digits as its factorization.

25155253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54794.

The product of its digits is 7500, while the sum is 28.

The square root of 25155253 is about 5015.5012710596. The cubic root of 25155253 is about 293.0058085334.

The spelling of 25155253 in words is "twenty-five million, one hundred fifty-five thousand, two hundred fifty-three".