25732500425431 has 8 divisors (see below), whose sum is σ = 25794281273040. Its totient is φ = 25670763601728.

The previous prime is 25732500425243. The next prime is 25732500425551. The reversal of 25732500425431 is 13452400523752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25732500425431 - 2⁹ = 25732500424919 is a prime.

It is a super-2 number, since 2×25732500425431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25732500425831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9835401 + ... + 12173746.

It is an arithmetic number, because the mean of its divisors is an integer number (3224285159130).

Almost surely, 2^{25732500425431} is an apocalyptic number.

25732500425431 is a deficient number, since it is larger than the sum of its proper divisors (61780847609).

25732500425431 is a wasteful number, since it uses less digits than its factorization.

25732500425431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22011953.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 25732500425431 in words is "twenty-five trillion, seven hundred thirty-two billion, five hundred million, four hundred twenty-five thousand, four hundred thirty-one".