248316506 has 4 divisors (see below), whose sum is σ = 372474762. Its totient is φ = 124158252.

The previous prime is 248316493. The next prime is 248316517. The reversal of 248316506 is 605613842.

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., 243516025 + 4800481 = 15605^2 + 2191^2 .

It is a super-2 number, since 2×248316506² = 123322174304096072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62079125 + ... + 62079128.

Almost surely, 2^248316506 is an apocalyptic number.

248316506 is a deficient number, since it is larger than the sum of its proper divisors (124158256).

248316506 is a wasteful number, since it uses less digits than its factorization.

248316506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124158255.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 248316506 is about 15758.0616193744. The cubic root of 248316506 is about 628.5432926160.

The spelling of 248316506 in words is "two hundred forty-eight million, three hundred sixteen thousand, five hundred six".