4900321 has 2 divisors, whose sum is σ = 4900322. Its totient is φ = 4900320.

The previous prime is 4900319. The next prime is 4900331. The reversal of 4900321 is 1230094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4669921 + 230400 = 2161^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 4900321 - 2¹ = 4900319 is a prime.

Together with 4900319, it forms a pair of twin primes.

It is an Ulam number.

4900321 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4900331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450160 + 2450161.

It is an arithmetic number, because the mean of its divisors is an integer number (2450161).

Almost surely, 2^4900321 is an apocalyptic number.

It is an amenable number.

4900321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4900321 is an equidigital number, since it uses as much as digits as its factorization.

4900321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 4900321 is about 2213.6668674396. Note that the first 3 decimals coincide. The cubic root of 4900321 is about 169.8536341109.

The spelling of 4900321 in words is "four million, nine hundred thousand, three hundred twenty-one".