25922287 has 2 divisors, whose sum is σ = 25922288. Its totient is φ = 25922286.

The previous prime is 25922269. The next prime is 25922359. The reversal of 25922287 is 78222952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25922287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25922257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12961143 + 12961144.

It is an arithmetic number, because the mean of its divisors is an integer number (12961144).

Almost surely, 2^25922287 is an apocalyptic number.

25922287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25922287 is an equidigital number, since it uses as much as digits as its factorization.

25922287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 25922287 is about 5091.3934242013. The cubic root of 25922287 is about 295.9541527177.

The spelling of 25922287 in words is "twenty-five million, nine hundred twenty-two thousand, two hundred eighty-seven".