25412423525 has 24 divisors (see below), whose sum is σ = 33262008000. Its totient is φ = 19259812080.

The previous prime is 25412423503. The next prime is 25412423573. The reversal of 25412423525 is 52532421452.

It is a happy number.

It is not a de Polignac number, because 25412423525 - 2²⁶ = 25345314661 is a prime.

It is a super-3 number, since 3×25412423525³ (a number of 32 digits) contains 333 as substring.

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, 97376 + ... + 245574.

It is an arithmetic number, because the mean of its divisors is an integer number (1385917000).

Almost surely, 2^25412423525 is an apocalyptic number.

25412423525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25412423525 is a deficient number, since it is larger than the sum of its proper divisors (7849584475).

25412423525 is an equidigital number, since it uses as much as digits as its factorization.

25412423525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148266 (or 148223 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

Adding to 25412423525 its reverse (52532421452), we get a palindrome (77944844977).

The spelling of 25412423525 in words is "twenty-five billion, four hundred twelve million, four hundred twenty-three thousand, five hundred twenty-five".