25239343 has 2 divisors, whose sum is σ = 25239344. Its totient is φ = 25239342.

The previous prime is 25239337. The next prime is 25239397. The reversal of 25239343 is 34393252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25239343 - 2⁵ = 25239311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25239943) 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 as a sum of consecutive naturals, namely, 12619671 + 12619672.

It is an arithmetic number, because the mean of its divisors is an integer number (12619672).

Almost surely, 2^25239343 is an apocalyptic number.

25239343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25239343 is an equidigital number, since it uses as much as digits as its factorization.

25239343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 25239343 is about 5023.8772875141. The cubic root of 25239343 is about 293.3319359725.

The spelling of 25239343 in words is "twenty-five million, two hundred thirty-nine thousand, three hundred forty-three".