332290289 has 2 divisors, whose sum is σ = 332290290. Its totient is φ = 332290288.

The previous prime is 332290249. The next prime is 332290291. The reversal of 332290289 is 982092233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325441600 + 6848689 = 18040^2 + 2617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332290289 is a prime.

It is a super-2 number, since 2×332290289² = 220833672327407042, which contains 22 as substring.

Together with 332290291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (332290249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166145144 + 166145145.

It is an arithmetic number, because the mean of its divisors is an integer number (166145145).

Almost surely, 2^332290289 is an apocalyptic number.

It is an amenable number.

332290289 is a deficient number, since it is larger than the sum of its proper divisors (1).

332290289 is an equidigital number, since it uses as much as digits as its factorization.

332290289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 332290289 is about 18228.8312571048. The cubic root of 332290289 is about 692.6373121519.

The spelling of 332290289 in words is "three hundred thirty-two million, two hundred ninety thousand, two hundred eighty-nine".