25196798 has 12 divisors (see below), whose sum is σ = 41543880. Its totient is φ = 11452980.

The previous prime is 25196797. The next prime is 25196803. The reversal of 25196798 is 89769152.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25196797) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 51818 + ... + 52301.

It is an arithmetic number, because the mean of its divisors is an integer number (3461990).

Almost surely, 2^25196798 is an apocalyptic number.

25196798 is a deficient number, since it is larger than the sum of its proper divisors (16347082).

25196798 is a wasteful number, since it uses less digits than its factorization.

25196798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104143 (or 104132 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 25196798 is about 5019.6412222389. The cubic root of 25196798 is about 293.1670237818.

The spelling of 25196798 in words is "twenty-five million, one hundred ninety-six thousand, seven hundred ninety-eight".