25963934 has 4 divisors (see below), whose sum is σ = 38945904. Its totient is φ = 12981966.

The previous prime is 25963921. The next prime is 25963943. The reversal of 25963934 is 43936952.

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

It is a junction number, because it is equal to n+sod(n) for n = 25963891 and 25963900.

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 as a sum of consecutive naturals, namely, 6490982 + ... + 6490985.

It is an arithmetic number, because the mean of its divisors is an integer number (9736476).

Almost surely, 2^25963934 is an apocalyptic number.

25963934 is a deficient number, since it is larger than the sum of its proper divisors (12981970).

25963934 is a wasteful number, since it uses less digits than its factorization.

25963934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981969.

The product of its digits is 174960, while the sum is 41.

The square root of 25963934 is about 5095.4817240375. The cubic root of 25963934 is about 296.1125621933.

The spelling of 25963934 in words is "twenty-five million, nine hundred sixty-three thousand, nine hundred thirty-four".