25424531015325 has 72 divisors (see below), whose sum is σ = 45780543063072. Its totient is φ = 12444340296960.

The previous prime is 25424531015311. The next prime is 25424531015399. The reversal of 25424531015325 is 52351013542452.

It is not a de Polignac number, because 25424531015325 - 2⁵ = 25424531015293 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3604567 + ... + 7990116.

It is an arithmetic number, because the mean of its divisors is an integer number (635840875876).

Almost surely, 2^{25424531015325} is an apocalyptic number.

25424531015325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25424531015325 is a deficient number, since it is larger than the sum of its proper divisors (20356012047747).

25424531015325 is a wasteful number, since it uses less digits than its factorization.

25424531015325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11594895 (or 11594877 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 25424531015325 its reverse (52351013542452), we get a palindrome (77775544557777).

It can be divided in two parts, 2542453 and 1015325, that added together give a triangular number (3557778 = T₂₆₆₇).

The spelling of 25424531015325 in words is "twenty-five trillion, four hundred twenty-four billion, five hundred thirty-one million, fifteen thousand, three hundred twenty-five".