25671885 has 8 divisors (see below), whose sum is σ = 41075040. Its totient is φ = 13691664.

The previous prime is 25671881. The next prime is 25671889. The reversal of 25671885 is 58817652.

It is an interprime number because it is at equal distance from previous prime (25671881) and next prime (25671889).

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

It is not a de Polignac number, because 25671885 - 2² = 25671881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25671881) 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, 855715 + ... + 855744.

It is an arithmetic number, because the mean of its divisors is an integer number (5134380).

Almost surely, 2^25671885 is an apocalyptic number.

It is an amenable number.

25671885 is a deficient number, since it is larger than the sum of its proper divisors (15403155).

25671885 is a wasteful number, since it uses less digits than its factorization.

25671885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711467.

The product of its digits is 134400, while the sum is 42.

The square root of 25671885 is about 5066.7430367051. The cubic root of 25671885 is about 294.9981231327.

The spelling of 25671885 in words is "twenty-five million, six hundred seventy-one thousand, eight hundred eighty-five".