340558319 has 2 divisors, whose sum is σ = 340558320. Its totient is φ = 340558318.

The previous prime is 340558313. The next prime is 340558327. The reversal of 340558319 is 913855043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340558319 is a prime.

It is a super-2 number, since 2×340558319² = 231959937280211522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340558313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170279159 + 170279160.

It is an arithmetic number, because the mean of its divisors is an integer number (170279160).

Almost surely, 2^340558319 is an apocalyptic number.

340558319 is a deficient number, since it is larger than the sum of its proper divisors (1).

340558319 is an equidigital number, since it uses as much as digits as its factorization.

340558319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 340558319 is about 18454.2222539992. Note that the first 4 decimals coincide. The cubic root of 340558319 is about 698.3350355042.

The spelling of 340558319 in words is "three hundred forty million, five hundred fifty-eight thousand, three hundred nineteen".