345898543 has 2 divisors, whose sum is σ = 345898544. Its totient is φ = 345898542.

The previous prime is 345898499. The next prime is 345898547.

345898543 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345898543 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345898547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172949271 + 172949272.

It is an arithmetic number, because the mean of its divisors is an integer number (172949272).

Almost surely, 2^345898543 is an apocalyptic number.

345898543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345898543 is an equidigital number, since it uses as much as digits as its factorization.

345898543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The square root of 345898543 is about 18598.3478567318. The cubic root of 345898543 is about 701.9662696217.

The spelling of 345898543 in words is "three hundred forty-five million, eight hundred ninety-eight thousand, five hundred forty-three".