25904959 has 2 divisors, whose sum is σ = 25904960. Its totient is φ = 25904958.

The previous prime is 25904941. The next prime is 25904987. The reversal of 25904959 is 95940952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25904959 - 2¹⁹ = 25380671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25904929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12952479 + 12952480.

It is an arithmetic number, because the mean of its divisors is an integer number (12952480).

Almost surely, 2^25904959 is an apocalyptic number.

25904959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25904959 is an equidigital number, since it uses as much as digits as its factorization.

25904959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 25904959 is about 5089.6914444787. The cubic root of 25904959 is about 295.8881935598. Note that the first 3 decimals are identical.

The spelling of 25904959 in words is "twenty-five million, nine hundred four thousand, nine hundred fifty-nine".