345113519 has 2 divisors, whose sum is σ = 345113520. Its totient is φ = 345113518.

The previous prime is 345113513. The next prime is 345113533. The reversal of 345113519 is 915311543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345113519 is a prime.

It is a super-2 number, since 2×345113519² = 238206681993126722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345113513) 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, 172556759 + 172556760.

It is an arithmetic number, because the mean of its divisors is an integer number (172556760).

Almost surely, 2^345113519 is an apocalyptic number.

345113519 is a deficient number, since it is larger than the sum of its proper divisors (1).

345113519 is an equidigital number, since it uses as much as digits as its factorization.

345113519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 345113519 is about 18577.2311984321. The cubic root of 345113519 is about 701.4348249853.

The spelling of 345113519 in words is "three hundred forty-five million, one hundred thirteen thousand, five hundred nineteen".