345274829 has 2 divisors, whose sum is σ = 345274830. Its totient is φ = 345274828.

The previous prime is 345274819. The next prime is 345274901. The reversal of 345274829 is 928472543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302829604 + 42445225 = 17402^2 + 6515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345274829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345274829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345274819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172637414 + 172637415.

It is an arithmetic number, because the mean of its divisors is an integer number (172637415).

Almost surely, 2^345274829 is an apocalyptic number.

It is an amenable number.

345274829 is a deficient number, since it is larger than the sum of its proper divisors (1).

345274829 is an equidigital number, since it uses as much as digits as its factorization.

345274829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 345274829 is about 18581.5722962294. The cubic root of 345274829 is about 701.5440941784.

The spelling of 345274829 in words is "three hundred forty-five million, two hundred seventy-four thousand, eight hundred twenty-nine".