25360431 has 4 divisors (see below), whose sum is σ = 33813912. Its totient is φ = 16906952.

The previous prime is 25360403. The next prime is 25360441. The reversal of 25360431 is 13406352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25360431 - 2¹⁴ = 25344047 is a prime.

It is a super-2 number, since 2×25360431² = 1286302921011522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25360441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226736 + ... + 4226741.

It is an arithmetic number, because the mean of its divisors is an integer number (8453478).

Almost surely, 2^25360431 is an apocalyptic number.

25360431 is a deficient number, since it is larger than the sum of its proper divisors (8453481).

25360431 is an equidigital number, since it uses as much as digits as its factorization.

25360431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453480.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25360431 is about 5035.9141176156. The cubic root of 25360431 is about 293.8002831683.

Adding to 25360431 its reverse (13406352), we get a palindrome (38766783).

The spelling of 25360431 in words is "twenty-five million, three hundred sixty thousand, four hundred thirty-one".