4999321 has 2 divisors, whose sum is σ = 4999322. Its totient is φ = 4999320.

The previous prime is 4999307. The next prime is 4999327. The reversal of 4999321 is 1239994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 4096 = 2235^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 4999321 - 2¹¹ = 4997273 is a prime.

It is a super-2 number, since 2×4999321² = 49986420922082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4999327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499660 + 2499661.

It is an arithmetic number, because the mean of its divisors is an integer number (2499661).

Almost surely, 2^4999321 is an apocalyptic number.

It is an amenable number.

4999321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999321 is an equidigital number, since it uses as much as digits as its factorization.

4999321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 4999321 is about 2235.9161433292. The cubic root of 4999321 is about 170.9898538261.

The spelling of 4999321 in words is "four million, nine hundred ninety-nine thousand, three hundred twenty-one".