213422519 has 2 divisors, whose sum is σ = 213422520. Its totient is φ = 213422518.

The previous prime is 213422509. The next prime is 213422533. The reversal of 213422519 is 915224312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213422519 - 2⁸ = 213422263 is a prime.

It is a super-2 number, since 2×213422519² = 91098343232610722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213422491 and 213422500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213422509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106711259 + 106711260.

It is an arithmetic number, because the mean of its divisors is an integer number (106711260).

Almost surely, 2^213422519 is an apocalyptic number.

213422519 is a deficient number, since it is larger than the sum of its proper divisors (1).

213422519 is an equidigital number, since it uses as much as digits as its factorization.

213422519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 213422519 is about 14608.9876103719. The cubic root of 213422519 is about 597.6038873299.

The spelling of 213422519 in words is "two hundred thirteen million, four hundred twenty-two thousand, five hundred nineteen".