25396090 has 16 divisors (see below), whose sum is σ = 45835272. Its totient is φ = 10131264.

The previous prime is 25396087. The next prime is 25396093. The reversal of 25396090 is 9069352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25396087) and next prime (25396093).

It can be written as a sum of positive squares in 4 ways, for example, as 14220441 + 11175649 = 3771^2 + 3343^2 .

It is a super-2 number, since 2×25396090² = 1289922774576200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25396093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 7168.

Almost surely, 2^25396090 is an apocalyptic number.

25396090 is a deficient number, since it is larger than the sum of its proper divisors (20439182).

25396090 is a wasteful number, since it uses less digits than its factorization.

25396090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 25396090 is about 5039.4533433697. The cubic root of 25396090 is about 293.9379217042.

The spelling of 25396090 in words is "twenty-five million, three hundred ninety-six thousand, ninety".