25134431 has 8 divisors (see below), whose sum is σ = 28935840. Its totient is φ = 21385728.

The previous prime is 25134391. The next prime is 25134463. The reversal of 25134431 is 13443152.

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

It is not a de Polignac number, because 25134431 - 2⁶ = 25134367 is a prime.

It is a super-2 number, since 2×25134431² = 1263479243387522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25134397 and 25134406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12146 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3616980).

Almost surely, 2^25134431 is an apocalyptic number.

25134431 is a deficient number, since it is larger than the sum of its proper divisors (3801409).

25134431 is a wasteful number, since it uses less digits than its factorization.

25134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26353.

The product of its digits is 1440, while the sum is 23.

The square root of 25134431 is about 5013.4250767315. The cubic root of 25134431 is about 292.9249420432.

Adding to 25134431 its reverse (13443152), we get a palindrome (38577583).

The spelling of 25134431 in words is "twenty-five million, one hundred thirty-four thousand, four hundred thirty-one".