933312421 has 2 divisors, whose sum is σ = 933312422. Its totient is φ = 933312420.

The previous prime is 933312403. The next prime is 933312431. The reversal of 933312421 is 124213339.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748624321 + 184688100 = 27361^2 + 13590^2 .

It is a cyclic number.

It is not a de Polignac number, because 933312421 - 2²⁹ = 396441509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 933312421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (933312431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466656210 + 466656211.

It is an arithmetic number, because the mean of its divisors is an integer number (466656211).

Almost surely, 2^933312421 is an apocalyptic number.

It is an amenable number.

933312421 is a deficient number, since it is larger than the sum of its proper divisors (1).

933312421 is an equidigital number, since it uses as much as digits as its factorization.

933312421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 933312421 is about 30550.1623727273. The cubic root of 933312421 is about 977.2575069760.

The spelling of 933312421 in words is "nine hundred thirty-three million, three hundred twelve thousand, four hundred twenty-one".