25432843 has 2 divisors, whose sum is σ = 25432844. Its totient is φ = 25432842.

The previous prime is 25432837. The next prime is 25432877. The reversal of 25432843 is 34823452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25432843 is a prime.

It is not a weakly prime, because it can be changed into another prime (25432243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716421 + 12716422.

It is an arithmetic number, because the mean of its divisors is an integer number (12716422).

Almost surely, 2^25432843 is an apocalyptic number.

25432843 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432843 is an equidigital number, since it uses as much as digits as its factorization.

25432843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 25432843 is about 5043.0985514860. The cubic root of 25432843 is about 294.0796481568.

The spelling of 25432843 in words is "twenty-five million, four hundred thirty-two thousand, eight hundred forty-three".