248253986 has 4 divisors (see below), whose sum is σ = 372380982. Its totient is φ = 124126992.

The previous prime is 248253977. The next prime is 248253991. The reversal of 248253986 is 689352842.

248253986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 196140025 + 52113961 = 14005^2 + 7219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 248253986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62063495 + ... + 62063498.

Almost surely, 2^248253986 is an apocalyptic number.

248253986 is a deficient number, since it is larger than the sum of its proper divisors (124126996).

248253986 is a wasteful number, since it uses less digits than its factorization.

248253986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124126995.

The product of its digits is 829440, while the sum is 47.

The square root of 248253986 is about 15756.0777479676. The cubic root of 248253986 is about 628.4905375982.

The spelling of 248253986 in words is "two hundred forty-eight million, two hundred fifty-three thousand, nine hundred eighty-six".