25575325253 has 4 divisors (see below), whose sum is σ = 25617459840. Its totient is φ = 25533190668.

The previous prime is 25575325229. The next prime is 25575325273. The reversal of 25575325253 is 35252357552.

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 25575325253 - 2⁶ = 25575325189 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 (25575325273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21066383 + ... + 21067596.

It is an arithmetic number, because the mean of its divisors is an integer number (6404364960).

Almost surely, 2^25575325253 is an apocalyptic number.

It is an amenable number.

25575325253 is a deficient number, since it is larger than the sum of its proper divisors (42134587).

25575325253 is an equidigital number, since it uses as much as digits as its factorization.

25575325253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42134586.

The product of its digits is 1575000, while the sum is 44.

The spelling of 25575325253 in words is "twenty-five billion, five hundred seventy-five million, three hundred twenty-five thousand, two hundred fifty-three".