326875669 has 2 divisors, whose sum is σ = 326875670. Its totient is φ = 326875668.

The previous prime is 326875621. The next prime is 326875697. The reversal of 326875669 is 966578623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293951025 + 32924644 = 17145^2 + 5738^2 .

It is an emirp because it is prime and its reverse (966578623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 326875669 - 2¹¹ = 326873621 is a prime.

It is a super-2 number, since 2×326875669² = 213695405968395122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326875699) 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, 163437834 + 163437835.

It is an arithmetic number, because the mean of its divisors is an integer number (163437835).

Almost surely, 2^326875669 is an apocalyptic number.

It is an amenable number.

326875669 is a deficient number, since it is larger than the sum of its proper divisors (1).

326875669 is an equidigital number, since it uses as much as digits as its factorization.

326875669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 326875669 is about 18079.7032331839. The cubic root of 326875669 is about 688.8545505497.

The spelling of 326875669 in words is "three hundred twenty-six million, eight hundred seventy-five thousand, six hundred sixty-nine".