245219 has 6 divisors (see below), whose sum is σ = 265716. Its totient is φ = 226200.

The previous prime is 245209. The next prime is 245251. The reversal of 245219 is 912542.

It is a de Polignac number, because none of the positive numbers 2^k-245219 is a prime.

It is a super-2 number, since 2×245219² = 120264715922, 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 = 245194 and 245203.

It is not an unprimeable number, because it can be changed into a prime (245209) 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 5 ways as a sum of consecutive naturals, for example, 557 + ... + 894.

It is an arithmetic number, because the mean of its divisors is an integer number (44286).

2²⁴⁵²¹⁹ is an apocalyptic number.

245219 is a deficient number, since it is larger than the sum of its proper divisors (20497).

245219 is a wasteful number, since it uses less digits than its factorization.

245219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1464 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 245219 is about 495.1959208233. The cubic root of 245219 is about 62.5918861780.

It can be divided in two parts, 245 and 219, that added together give a palindrome (464).

The spelling of 245219 in words is "two hundred forty-five thousand, two hundred nineteen".