248243049 has 40 divisors (see below), whose sum is σ = 381794688. Its totient is φ = 160665120.

The previous prime is 248243003. The next prime is 248243057. The reversal of 248243049 is 940342842.

It is not a de Polignac number, because 248243049 - 2⁷ = 248242921 is a prime.

It is a super-2 number, since 2×248243049² = 123249222753632802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248243449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 749814 + ... + 750144.

Almost surely, 2^248243049 is an apocalyptic number.

It is an amenable number.

248243049 is a deficient number, since it is larger than the sum of its proper divisors (133551639).

248243049 is a wasteful number, since it uses less digits than its factorization.

248243049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 248243049 is about 15755.7306717270. The cubic root of 248243049 is about 628.4813079352.

The spelling of 248243049 in words is "two hundred forty-eight million, two hundred forty-three thousand, forty-nine".