340451219 has 2 divisors, whose sum is σ = 340451220. Its totient is φ = 340451218.

The previous prime is 340451173. The next prime is 340451227. The reversal of 340451219 is 912154043.

It is a strong prime.

It is an emirp because it is prime and its reverse (912154043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340451219 - 2²⁴ = 323674003 is a prime.

It is a super-2 number, since 2×340451219² = 231814065037171922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340451191 and 340451200.

It is not a weakly prime, because it can be changed into another prime (340451239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170225609 + 170225610.

It is an arithmetic number, because the mean of its divisors is an integer number (170225610).

Almost surely, 2^340451219 is an apocalyptic number.

340451219 is a deficient number, since it is larger than the sum of its proper divisors (1).

340451219 is an equidigital number, since it uses as much as digits as its factorization.

340451219 is an evil number, because the sum of its binary digits is even.

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

The square root of 340451219 is about 18451.3202508655. The cubic root of 340451219 is about 698.2618228612.

The spelling of 340451219 in words is "three hundred forty million, four hundred fifty-one thousand, two hundred nineteen".