345070589 has 2 divisors, whose sum is σ = 345070590. Its totient is φ = 345070588.

The previous prime is 345070549. The next prime is 345070603. The reversal of 345070589 is 985070543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234610489 + 110460100 = 15317^2 + 10510^2 .

It is a cyclic number.

It is not a de Polignac number, because 345070589 - 2²⁴ = 328293373 is a prime.

It is a super-2 number, since 2×345070589² = 238147422785613842, which contains 22 as substring.

It is a Chen 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 (345070549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172535294 + 172535295.

It is an arithmetic number, because the mean of its divisors is an integer number (172535295).

Almost surely, 2^345070589 is an apocalyptic number.

It is an amenable number.

345070589 is a deficient number, since it is larger than the sum of its proper divisors (1).

345070589 is an equidigital number, since it uses as much as digits as its factorization.

345070589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 345070589 is about 18576.0757158233. The cubic root of 345070589 is about 701.4057390526.

The spelling of 345070589 in words is "three hundred forty-five million, seventy thousand, five hundred eighty-nine".