25641086 has 8 divisors (see below), whose sum is σ = 38483424. Its totient is φ = 12813280.

The previous prime is 25641079. The next prime is 25641103. The reversal of 25641086 is 68014652.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926 + ... + 8166.

It is an arithmetic number, because the mean of its divisors is an integer number (4810428).

Almost surely, 2^25641086 is an apocalyptic number.

25641086 is a deficient number, since it is larger than the sum of its proper divisors (12842338).

25641086 is a wasteful number, since it uses less digits than its factorization.

25641086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 25641086 is about 5063.7027953860. The cubic root of 25641086 is about 294.8801044907.

The spelling of 25641086 in words is "twenty-five million, six hundred forty-one thousand, eighty-six".