813419 has 2 divisors, whose sum is σ = 813420. Its totient is φ = 813418.

The previous prime is 813401. The next prime is 813427. The reversal of 813419 is 914318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 813419 - 2¹² = 809323 is a prime.

It is a super-2 number, since 2×813419² = 1323300939122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (813499) 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 as a sum of consecutive naturals, namely, 406709 + 406710.

It is an arithmetic number, because the mean of its divisors is an integer number (406710).

2⁸¹³⁴¹⁹ is an apocalyptic number.

813419 is a deficient number, since it is larger than the sum of its proper divisors (1).

813419 is an equidigital number, since it uses as much as digits as its factorization.

813419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 813419 is about 901.8974442807. The cubic root of 813419 is about 93.3479469748.

The spelling of 813419 in words is "eight hundred thirteen thousand, four hundred nineteen".