25396190 has 16 divisors (see below), whose sum is σ = 46075392. Its totient is φ = 10077984.

The previous prime is 25396183. The next prime is 25396193. The reversal of 25396190 is 9169352.

It is a super-2 number, since 2×25396190² = 1289932933032200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25396190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25396193) 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 7 ways as a sum of consecutive naturals, for example, 8729 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (2879712).

Almost surely, 2^25396190 is an apocalyptic number.

25396190 is a deficient number, since it is larger than the sum of its proper divisors (20679202).

25396190 is a wasteful number, since it uses less digits than its factorization.

25396190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20131.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 25396190 is about 5039.4632650710. The cubic root of 25396190 is about 293.9383075083.

The spelling of 25396190 in words is "twenty-five million, three hundred ninety-six thousand, one hundred ninety".