332321009 has 2 divisors, whose sum is σ = 332321010. Its totient is φ = 332321008.

The previous prime is 332320987. The next prime is 332321111. The reversal of 332321009 is 900123233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263347984 + 68973025 = 16228^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 332321009 - 2⁸ = 332320753 is a prime.

It is a super-2 number, since 2×332321009² = 220874506045556162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (332321909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166160504 + 166160505.

It is an arithmetic number, because the mean of its divisors is an integer number (166160505).

Almost surely, 2^332321009 is an apocalyptic number.

It is an amenable number.

332321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

332321009 is an equidigital number, since it uses as much as digits as its factorization.

332321009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 332321009 is about 18229.6738588489. The cubic root of 332321009 is about 692.6586561025.

The spelling of 332321009 in words is "three hundred thirty-two million, three hundred twenty-one thousand, nine".