25241986 has 16 divisors (see below), whose sum is σ = 47206080. Its totient is φ = 9834480.

The previous prime is 25241981. The next prime is 25241999. The reversal of 25241986 is 68914252.

It is not an unprimeable number, because it can be changed into a prime (25241981) 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, 81801 + ... + 82108.

It is an arithmetic number, because the mean of its divisors is an integer number (2950380).

Almost surely, 2^25241986 is an apocalyptic number.

25241986 is a deficient number, since it is larger than the sum of its proper divisors (21964094).

25241986 is a wasteful number, since it uses less digits than its factorization.

25241986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163929.

The product of its digits is 34560, while the sum is 37.

The square root of 25241986 is about 5024.1403244734. The cubic root of 25241986 is about 293.3421746073.

The spelling of 25241986 in words is "twenty-five million, two hundred forty-one thousand, nine hundred eighty-six".