245419 has 2 divisors, whose sum is σ = 245420. Its totient is φ = 245418.

The previous prime is 245417. The next prime is 245437. The reversal of 245419 is 914542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245419 - 2¹ = 245417 is a prime.

It is a super-2 number, since 2×245419² = 120460971122, which contains 22 as substring.

Together with 245417, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245393 and 245402.

It is not a weakly prime, because it can be changed into another prime (245411) 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 as a sum of consecutive naturals, namely, 122709 + 122710.

It is an arithmetic number, because the mean of its divisors is an integer number (122710).

2²⁴⁵⁴¹⁹ is an apocalyptic number.

245419 is a deficient number, since it is larger than the sum of its proper divisors (1).

245419 is an equidigital number, since it uses as much as digits as its factorization.

245419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 245419 is about 495.3978199387. The cubic root of 245419 is about 62.6088981489.

The spelling of 245419 in words is "two hundred forty-five thousand, four hundred nineteen".