345341653 has 2 divisors, whose sum is σ = 345341654. Its totient is φ = 345341652.

The previous prime is 345341641. The next prime is 345341713. The reversal of 345341653 is 356143543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344213809 + 1127844 = 18553^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 345341653 - 2²⁵ = 311787221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345341053) 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, 172670826 + 172670827.

It is an arithmetic number, because the mean of its divisors is an integer number (172670827).

Almost surely, 2^345341653 is an apocalyptic number.

It is an amenable number.

345341653 is a deficient number, since it is larger than the sum of its proper divisors (1).

345341653 is an equidigital number, since it uses as much as digits as its factorization.

345341653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The square root of 345341653 is about 18583.3703347913. The cubic root of 345341653 is about 701.5893498748.

The spelling of 345341653 in words is "three hundred forty-five million, three hundred forty-one thousand, six hundred fifty-three".