25961366 has 4 divisors (see below), whose sum is σ = 38942052. Its totient is φ = 12980682.

The previous prime is 25961359. The next prime is 25961393. The reversal of 25961366 is 66316952.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 6490340 + ... + 6490343.

It is an arithmetic number, because the mean of its divisors is an integer number (9735513).

Almost surely, 2^25961366 is an apocalyptic number.

25961366 is a deficient number, since it is larger than the sum of its proper divisors (12980686).

25961366 is a wasteful number, since it uses less digits than its factorization.

25961366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980685.

The product of its digits is 58320, while the sum is 38.

The square root of 25961366 is about 5095.2297298552. The cubic root of 25961366 is about 296.1027993927.

The spelling of 25961366 in words is "twenty-five million, nine hundred sixty-one thousand, three hundred sixty-six".