2975321 has 2 divisors, whose sum is σ = 2975322. Its totient is φ = 2975320.

The previous prime is 2975317. The next prime is 2975339. The reversal of 2975321 is 1235792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 1125721 = 1360^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2975321 - 2² = 2975317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2975341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487660 + 1487661.

It is an arithmetic number, because the mean of its divisors is an integer number (1487661).

2^2975321 is an apocalyptic number.

It is an amenable number.

2975321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975321 is an equidigital number, since it uses as much as digits as its factorization.

2975321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 2975321 is about 1724.9118818073. The cubic root of 2975321 is about 143.8283867376.

The spelling of 2975321 in words is "two million, nine hundred seventy-five thousand, three hundred twenty-one".