248513107 has 4 divisors (see below), whose sum is σ = 248544856. Its totient is φ = 248481360.

The previous prime is 248513099. The next prime is 248513113. The reversal of 248513107 is 701315842.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 701315842 = 2 ⋅350657921.

It is a cyclic number.

It is not a de Polignac number, because 248513107 - 2³ = 248513099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248513197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143 + ... + 22879.

It is an arithmetic number, because the mean of its divisors is an integer number (62136214).

Almost surely, 2^248513107 is an apocalyptic number.

248513107 is a deficient number, since it is larger than the sum of its proper divisors (31749).

248513107 is a wasteful number, since it uses less digits than its factorization.

248513107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 248513107 is about 15764.2984937485. The cubic root of 248513107 is about 628.7091288762.

Adding to 248513107 its reverse (701315842), we get a palindrome (949828949).

The spelling of 248513107 in words is "two hundred forty-eight million, five hundred thirteen thousand, one hundred seven".