4850621 has 2 divisors, whose sum is σ = 4850622. Its totient is φ = 4850620.

The previous prime is 4850617. The next prime is 4850623. The reversal of 4850621 is 1260584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 1125721 = 1930^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 4850621 - 2² = 4850617 is a prime.

It is a Sophie Germain prime.

Together with 4850623, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p₃₃₈₇₄₁ and since 4850621 and 338741 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4850623) 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, 2425310 + 2425311.

It is an arithmetic number, because the mean of its divisors is an integer number (2425311).

Almost surely, 2^4850621 is an apocalyptic number.

It is an amenable number.

4850621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4850621 is an equidigital number, since it uses as much as digits as its factorization.

4850621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4850621 is about 2202.4125408288. The cubic root of 4850621 is about 169.2774523520.

The spelling of 4850621 in words is "four million, eight hundred fifty thousand, six hundred twenty-one".