248310613 has 4 divisors (see below), whose sum is σ = 248383980. Its totient is φ = 248237248.

The previous prime is 248310593. The next prime is 248310641. The reversal of 248310613 is 316013842.

248310613 = 11142² + 11143².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124144164 + 124166449 = 11142^2 + 11143^2 .

It is a cyclic number.

It is not a de Polignac number, because 248310613 - 2⁵ = 248310581 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 (248310683) 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 3 ways as a sum of consecutive naturals, for example, 31348 + ... + 38461.

It is an arithmetic number, because the mean of its divisors is an integer number (62095995).

Almost surely, 2^248310613 is an apocalyptic number.

248310613 is the 11143-rd centered square number.

It is an amenable number.

248310613 is a deficient number, since it is larger than the sum of its proper divisors (73367).

248310613 is an equidigital number, since it uses as much as digits as its factorization.

248310613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73366.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 248310613 is about 15757.8746346073. The cubic root of 248310613 is about 628.5383204202.

The spelling of 248310613 in words is "two hundred forty-eight million, three hundred ten thousand, six hundred thirteen".