248392613 has 12 divisors (see below), whose sum is σ = 289272492. Its totient is φ = 212667840.

The previous prime is 248392607. The next prime is 248392621. The reversal of 248392613 is 316293842.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 166978084 = 9023^2 + 12922^2 .

It is not a de Polignac number, because 248392613 - 2¹⁸ = 248130469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248392693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51443 + ... + 56063.

It is an arithmetic number, because the mean of its divisors is an integer number (24106041).

Almost surely, 2^248392613 is an apocalyptic number.

It is an amenable number.

248392613 is a deficient number, since it is larger than the sum of its proper divisors (40879879).

248392613 is a wasteful number, since it uses less digits than its factorization.

248392613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732 (or 5725 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 248392613 is about 15760.4762935642. The cubic root of 248392613 is about 628.6075005347.

The spelling of 248392613 in words is "two hundred forty-eight million, three hundred ninety-two thousand, six hundred thirteen".