248533913 has 4 divisors (see below), whose sum is σ = 256551168. Its totient is φ = 240516660.

The previous prime is 248533903. The next prime is 248533919. The reversal of 248533913 is 319335842.

248533913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248533913 - 2⁶ = 248533849 is a prime.

It is a super-2 number, since 2×248533913² = 123538211822183138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248533919) 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, 4008581 + ... + 4008642.

It is an arithmetic number, because the mean of its divisors is an integer number (64137792).

Almost surely, 2^248533913 is an apocalyptic number.

It is an amenable number.

248533913 is a deficient number, since it is larger than the sum of its proper divisors (8017255).

248533913 is an equidigital number, since it uses as much as digits as its factorization.

248533913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017254.

The product of its digits is 77760, while the sum is 38.

The square root of 248533913 is about 15764.9583887811. The cubic root of 248533913 is about 628.7266739697.

The spelling of 248533913 in words is "two hundred forty-eight million, five hundred thirty-three thousand, nine hundred thirteen".