25840996 has 6 divisors (see below), whose sum is σ = 45221750. Its totient is φ = 12920496.

The previous prime is 25840981. The next prime is 25841021. The reversal of 25840996 is 69904852.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 34596 = 5080^2 + 186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230121 + ... + 3230128.

Almost surely, 2^25840996 is an apocalyptic number.

It is an amenable number.

25840996 is a deficient number, since it is larger than the sum of its proper divisors (19380754).

25840996 is a wasteful number, since it uses less digits than its factorization.

25840996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460253 (or 6460251 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 25840996 is about 5083.4039776512. The cubic root of 25840996 is about 295.6444629439.

The spelling of 25840996 in words is "twenty-five million, eight hundred forty thousand, nine hundred ninety-six".