247019 has 4 divisors (see below), whose sum is σ = 260040. Its totient is φ = 234000.

The previous prime is 247007. The next prime is 247031. The reversal of 247019 is 910742.

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

It is an interprime number because it is at equal distance from previous prime (247007) and next prime (247031).

It is a cyclic number.

It is not a de Polignac number, because 247019 - 2¹² = 242923 is a prime.

It is a super-2 number, since 2×247019² = 122036772722, 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 = 246985 and 247003.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247019.

It is not an unprimeable number, because it can be changed into a prime (247069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6482 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (65010).

247019 is a Friedman number, since it can be written as 497^2+10, using all its digits and the basic arithmetic operations.

2²⁴⁷⁰¹⁹ is an apocalyptic number.

247019 is a deficient number, since it is larger than the sum of its proper divisors (13021).

247019 is a wasteful number, since it uses less digits than its factorization.

247019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 247019 is about 497.0100602604. The cubic root of 247019 is about 62.7446623291.

The spelling of 247019 in words is "two hundred forty-seven thousand, nineteen".