584740421 has 2 divisors, whose sum is σ = 584740422. Its totient is φ = 584740420.

The previous prime is 584740397. The next prime is 584740441. The reversal of 584740421 is 124047485.

584740421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488896321 + 95844100 = 22111^2 + 9790^2 .

It is a cyclic number.

It is not a de Polignac number, because 584740421 - 2⁶ = 584740357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (584740441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292370210 + 292370211.

It is an arithmetic number, because the mean of its divisors is an integer number (292370211).

Almost surely, 2^584740421 is an apocalyptic number.

It is an amenable number.

584740421 is a deficient number, since it is larger than the sum of its proper divisors (1).

584740421 is an equidigital number, since it uses as much as digits as its factorization.

584740421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 584740421 is about 24181.4065140967. The cubic root of 584740421 is about 836.2209401505.

The spelling of 584740421 in words is "five hundred eighty-four million, seven hundred forty thousand, four hundred twenty-one".