248342591 has 8 divisors (see below), whose sum is σ = 283925664. Its totient is φ = 212785920.

The previous prime is 248342533. The next prime is 248342629. The reversal of 248342591 is 195243842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248342591 - 2²² = 244148287 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 (248342191) 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 7 ways as a sum of consecutive naturals, for example, 21611 + ... + 31043.

It is an arithmetic number, because the mean of its divisors is an integer number (35490708).

Almost surely, 2^248342591 is an apocalyptic number.

248342591 is a deficient number, since it is larger than the sum of its proper divisors (35583073).

248342591 is an equidigital number, since it uses as much as digits as its factorization.

248342591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13201.

The product of its digits is 69120, while the sum is 38.

The square root of 248342591 is about 15758.8892692347. The cubic root of 248342591 is about 628.5653007888.

The spelling of 248342591 in words is "two hundred forty-eight million, three hundred forty-two thousand, five hundred ninety-one".