25909342 has 8 divisors (see below), whose sum is σ = 38885616. Its totient is φ = 12947472.

The previous prime is 25909337. The next prime is 25909381. The reversal of 25909342 is 24390952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25909298 and 25909307.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5218 + ... + 8890.

It is an arithmetic number, because the mean of its divisors is an integer number (4860702).

Almost surely, 2^25909342 is an apocalyptic number.

25909342 is a deficient number, since it is larger than the sum of its proper divisors (12976274).

25909342 is a wasteful number, since it uses less digits than its factorization.

25909342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 25909342 is about 5090.1220024671. The cubic root of 25909342 is about 295.9048802595.

The spelling of 25909342 in words is "twenty-five million, nine hundred nine thousand, three hundred forty-two".