10025986 has 4 divisors (see below), whose sum is σ = 15038982. Its totient is φ = 5012992.

The previous prime is 10025933. The next prime is 10026011. The reversal of 10025986 is 68952001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 2157961 = 2805^2 + 1469^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506495 + ... + 2506498.

Almost surely, 2^10025986 is an apocalyptic number.

10025986 is a deficient number, since it is larger than the sum of its proper divisors (5012996).

10025986 is an equidigital number, since it uses as much as digits as its factorization.

10025986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012995.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 10025986 is about 3166.3837417470. The cubic root of 10025986 is about 215.6299247212.

Adding to 10025986 its reverse (68952001), we get a palindrome (78977987).

It can be divided in two parts, 10025 and 986, that added together give a palindrome (11011).

The spelling of 10025986 in words is "ten million, twenty-five thousand, nine hundred eighty-six".