248563331 has 4 divisors (see below), whose sum is σ = 248608464. Its totient is φ = 248518200.

The previous prime is 248563319. The next prime is 248563351. The reversal of 248563331 is 133365842.

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

It is a cyclic number.

It is not a de Polignac number, because 248563331 - 2⁶ = 248563267 is a prime.

It is a super-2 number, since 2×248563331² = 123567459035631122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248563291 and 248563300.

It is not an unprimeable number, because it can be changed into a prime (248563351) 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, 12935 + ... + 25776.

It is an arithmetic number, because the mean of its divisors is an integer number (62152116).

Almost surely, 2^248563331 is an apocalyptic number.

248563331 is a deficient number, since it is larger than the sum of its proper divisors (45133).

248563331 is an equidigital number, since it uses as much as digits as its factorization.

248563331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132.

The product of its digits is 51840, while the sum is 35.

The square root of 248563331 is about 15765.8913798110. The cubic root of 248563331 is about 628.7514796409.

The spelling of 248563331 in words is "two hundred forty-eight million, five hundred sixty-three thousand, three hundred thirty-one".