25997342 has 16 divisors (see below), whose sum is σ = 45477600. Its totient is φ = 11141424.

The previous prime is 25997333. The next prime is 25997351. The reversal of 25997342 is 24379952.

It is an interprime number because it is at equal distance from previous prime (25997333) and next prime (25997351).

It is a self number, because there is not a number n which added to its sum of digits gives 25997342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18263 + ... + 19634.

It is an arithmetic number, because the mean of its divisors is an integer number (2842350).

Almost surely, 2^25997342 is an apocalyptic number.

25997342 is a deficient number, since it is larger than the sum of its proper divisors (19480258).

25997342 is an equidigital number, since it uses as much as digits as its factorization.

25997342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37920 (or 37906 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 25997342 is about 5098.7588685875. The cubic root of 25997342 is about 296.2395112216.

The spelling of 25997342 in words is "twenty-five million, nine hundred ninety-seven thousand, three hundred forty-two".