25525252552525 has 24 divisors (see below), whose sum is σ = 34529081434848. Its totient is φ = 18563617800000.

The previous prime is 25525252552487. The next prime is 25525252552567. The reversal of 25525252552525 is 52525525252552.

It is not a de Polignac number, because 25525252552525 - 2²⁹ = 25524715681613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27623230 + ... + 28532320.

It is an arithmetic number, because the mean of its divisors is an integer number (1438711726452).

Almost surely, 2^{25525252552525} is an apocalyptic number.

25525252552525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25525252552525 is a deficient number, since it is larger than the sum of its proper divisors (9003828882323).

25525252552525 is a wasteful number, since it uses less digits than its factorization.

25525252552525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011213 (or 1011208 counting only the distinct ones).

The product of its digits is 25000000, while the sum is 52.

The spelling of 25525252552525 in words is "twenty-five trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred fifty-two thousand, five hundred twenty-five".