328269551 has 2 divisors, whose sum is σ = 328269552. Its totient is φ = 328269550.

The previous prime is 328269533. The next prime is 328269553. The reversal of 328269551 is 155962823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328269551 - 2¹⁰ = 328268527 is a prime.

It is a super-2 number, since 2×328269551² = 215521796227483202, which contains 22 as substring.

Together with 328269553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 328269499 and 328269508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328269553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164134775 + 164134776.

It is an arithmetic number, because the mean of its divisors is an integer number (164134776).

Almost surely, 2^328269551 is an apocalyptic number.

328269551 is a deficient number, since it is larger than the sum of its proper divisors (1).

328269551 is an equidigital number, since it uses as much as digits as its factorization.

328269551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 328269551 is about 18118.2104800667. The cubic root of 328269551 is about 689.8323130985.

The spelling of 328269551 in words is "three hundred twenty-eight million, two hundred sixty-nine thousand, five hundred fifty-one".