248290063 has 4 divisors (see below), whose sum is σ = 283760080. Its totient is φ = 212820048.

The previous prime is 248289989. The next prime is 248290073. The reversal of 248290063 is 360092842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360092842 = 2 ⋅180046421.

It is not a de Polignac number, because 248290063 - 2⁹ = 248289551 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 (248290073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17734998 + ... + 17735011.

It is an arithmetic number, because the mean of its divisors is an integer number (70940020).

Almost surely, 2^248290063 is an apocalyptic number.

248290063 is a deficient number, since it is larger than the sum of its proper divisors (35470017).

248290063 is an equidigital number, since it uses as much as digits as its factorization.

248290063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35470016.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 248290063 is about 15757.2225661758. Note that the first 3 decimals coincide. The cubic root of 248290063 is about 628.5209808219.

The spelling of 248290063 in words is "two hundred forty-eight million, two hundred ninety thousand, sixty-three".