2077321 has 2 divisors, whose sum is σ = 2077322. Its totient is φ = 2077320.

The previous prime is 2077319. The next prime is 2077333. The reversal of 2077321 is 1237702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 3721 = 1440^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077321 - 2¹ = 2077319 is a prime.

Together with 2077319, it forms a pair of twin primes.

It is a Chen prime.

2077321 is a lucky number.

It is equal to p₁₅₄₂₅₅ and since 2077321 and 154255 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2077292 and 2077301.

It is not a weakly prime, because it can be changed into another prime (2077351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038660 + 1038661.

It is an arithmetic number, because the mean of its divisors is an integer number (1038661).

2^2077321 is an apocalyptic number.

It is an amenable number.

2077321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077321 is an equidigital number, since it uses as much as digits as its factorization.

2077321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2077321 is about 1441.2914347903. The cubic root of 2077321 is about 127.5952588130.

The spelling of 2077321 in words is "two million, seventy-seven thousand, three hundred twenty-one".