345828589 has 2 divisors, whose sum is σ = 345828590. Its totient is φ = 345828588.

The previous prime is 345828541. The next prime is 345828599. The reversal of 345828589 is 985828543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253860489 + 91968100 = 15933^2 + 9590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345828589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345828599) 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, 172914294 + 172914295.

It is an arithmetic number, because the mean of its divisors is an integer number (172914295).

Almost surely, 2^345828589 is an apocalyptic number.

It is an amenable number.

345828589 is a deficient number, since it is larger than the sum of its proper divisors (1).

345828589 is an equidigital number, since it uses as much as digits as its factorization.

345828589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 52.

The square root of 345828589 is about 18596.4671107176. The cubic root of 345828589 is about 701.9189448978.

The spelling of 345828589 in words is "three hundred forty-five million, eight hundred twenty-eight thousand, five hundred eighty-nine".