342322909 has 2 divisors, whose sum is σ = 342322910. Its totient is φ = 342322908.

The previous prime is 342322861. The next prime is 342322921. The reversal of 342322909 is 909223243.

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., 316057284 + 26265625 = 17778^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 342322909 - 2¹⁹ = 341798621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342322109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171161454 + 171161455.

It is an arithmetic number, because the mean of its divisors is an integer number (171161455).

Almost surely, 2^342322909 is an apocalyptic number.

It is an amenable number.

342322909 is a deficient number, since it is larger than the sum of its proper divisors (1).

342322909 is an equidigital number, since it uses as much as digits as its factorization.

342322909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 342322909 is about 18501.9704085808. The cubic root of 342322909 is about 699.5390904619.

The spelling of 342322909 in words is "three hundred forty-two million, three hundred twenty-two thousand, nine hundred nine".