345245513 has 2 divisors, whose sum is σ = 345245514. Its totient is φ = 345245512.

The previous prime is 345245491. The next prime is 345245533. The reversal of 345245513 is 315542543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342546064 + 2699449 = 18508^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 345245513 - 2⁶ = 345245449 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345245513.

It is not a weakly prime, because it can be changed into another prime (345245533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172622756 + 172622757.

It is an arithmetic number, because the mean of its divisors is an integer number (172622757).

Almost surely, 2^345245513 is an apocalyptic number.

It is an amenable number.

345245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

345245513 is an equidigital number, since it uses as much as digits as its factorization.

345245513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 32.

The square root of 345245513 is about 18580.7834334293. The cubic root of 345245513 is about 701.5242384508.

The spelling of 345245513 in words is "three hundred forty-five million, two hundred forty-five thousand, five hundred thirteen".