342965009 has 4 divisors (see below), whose sum is σ = 343310004. Its totient is φ = 342620016.

The previous prime is 342964981. The next prime is 342965039. The reversal of 342965009 is 900569243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 285508609 + 57456400 = 16897^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 342965009 - 2¹² = 342960913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342965039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171002 + ... + 172995.

It is an arithmetic number, because the mean of its divisors is an integer number (85827501).

Almost surely, 2^342965009 is an apocalyptic number.

It is an amenable number.

342965009 is a deficient number, since it is larger than the sum of its proper divisors (344995).

342965009 is an equidigital number, since it uses as much as digits as its factorization.

342965009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344994.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 342965009 is about 18519.3144851531. The cubic root of 342965009 is about 699.9761957892.

The spelling of 342965009 in words is "three hundred forty-two million, nine hundred sixty-five thousand, nine".