248664613 has 4 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 248497228.

The previous prime is 248664599. The next prime is 248664623. The reversal of 248664613 is 316466842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248664613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248664623) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 81445 + ... + 84442.

It is an arithmetic number, because the mean of its divisors is an integer number (62208000).

Almost surely, 2^248664613 is an apocalyptic number.

It is an amenable number.

248664613 is a deficient number, since it is larger than the sum of its proper divisors (167387).

248664613 is a wasteful number, since it uses less digits than its factorization.

248664613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167386.

The product of its digits is 165888, while the sum is 40.

The square root of 248664613 is about 15769.1031133670. The cubic root of 248664613 is about 628.8368670814.

The spelling of 248664613 in words is "two hundred forty-eight million, six hundred sixty-four thousand, six hundred thirteen".