25996091 has 8 divisors (see below), whose sum is σ = 29051568. Its totient is φ = 23056000.

The previous prime is 25996079. The next prime is 25996121. The reversal of 25996091 is 19069952.

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

It is not a de Polignac number, because 25996091 - 2⁶ = 25996027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25996031) 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, 28370 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (3631446).

Almost surely, 2^25996091 is an apocalyptic number.

25996091 is a deficient number, since it is larger than the sum of its proper divisors (3055477).

25996091 is a wasteful number, since it uses less digits than its factorization.

25996091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57693.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 25996091 is about 5098.6361901983. The cubic root of 25996091 is about 296.2347594336.

The spelling of 25996091 in words is "twenty-five million, nine hundred ninety-six thousand, ninety-one".