25348052431 has 8 divisors (see below), whose sum is σ = 27342154224. Its totient is φ = 23360272320.

The previous prime is 25348052407. The next prime is 25348052459. The reversal of 25348052431 is 13425084352.

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 25348052431 - 2²¹ = 25345955279 is a prime.

It is a super-2 number, since 2×25348052431² (a number of 22 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 (25348052461) 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, 1572085 + ... + 1588126.

It is an arithmetic number, because the mean of its divisors is an integer number (3417769278).

Almost surely, 2^25348052431 is an apocalyptic number.

25348052431 is a deficient number, since it is larger than the sum of its proper divisors (1994101793).

25348052431 is a wasteful number, since it uses less digits than its factorization.

25348052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160841.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 25348052431 in words is "twenty-five billion, three hundred forty-eight million, fifty-two thousand, four hundred thirty-one".