25890995 has 8 divisors (see below), whose sum is σ = 33459216. Its totient is φ = 19119456.

The previous prime is 25890989. The next prime is 25891001. The reversal of 25890995 is 59909852.

It is an interprime number because it is at equal distance from previous prime (25890989) and next prime (25891001).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25890995 - 2⁴ = 25890979 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 199097 + ... + 199226.

It is an arithmetic number, because the mean of its divisors is an integer number (4182402).

Almost surely, 2^25890995 is an apocalyptic number.

25890995 is a deficient number, since it is larger than the sum of its proper divisors (7568221).

25890995 is a wasteful number, since it uses less digits than its factorization.

25890995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398341.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 25890995 is about 5088.3194671718. The cubic root of 25890995 is about 295.8350180865.

The spelling of 25890995 in words is "twenty-five million, eight hundred ninety thousand, nine hundred ninety-five".