25684196 has 6 divisors (see below), whose sum is σ = 44947350. Its totient is φ = 12842096.

The previous prime is 25684193. The next prime is 25684207. The reversal of 25684196 is 69148652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 7365796 = 4280^2 + 2714^2 .

It is not an unprimeable number, because it can be changed into a prime (25684193) 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 as a sum of consecutive naturals, namely, 3210521 + ... + 3210528.

It is an arithmetic number, because the mean of its divisors is an integer number (7491225).

Almost surely, 2^25684196 is an apocalyptic number.

It is an amenable number.

25684196 is a deficient number, since it is larger than the sum of its proper divisors (19263154).

25684196 is a wasteful number, since it uses less digits than its factorization.

25684196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421053 (or 6421051 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 25684196 is about 5067.9577740940. The cubic root of 25684196 is about 295.0452712290.

The spelling of 25684196 in words is "twenty-five million, six hundred eighty-four thousand, one hundred ninety-six".