345325249 has 2 divisors, whose sum is σ = 345325250. Its totient is φ = 345325248.

The previous prime is 345325229. The next prime is 345325271. The reversal of 345325249 is 942523543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330076224 + 15249025 = 18168^2 + 3905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345325249 is a prime.

It is not a weakly prime, because it can be changed into another prime (345325219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172662624 + 172662625.

It is an arithmetic number, because the mean of its divisors is an integer number (172662625).

Almost surely, 2^345325249 is an apocalyptic number.

It is an amenable number.

345325249 is a deficient number, since it is larger than the sum of its proper divisors (1).

345325249 is an equidigital number, since it uses as much as digits as its factorization.

345325249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 345325249 is about 18582.9289672000. The cubic root of 345325249 is about 701.5782410170.

The spelling of 345325249 in words is "three hundred forty-five million, three hundred twenty-five thousand, two hundred forty-nine".