52331393 has 2 divisors, whose sum is σ = 52331394. Its totient is φ = 52331392.

The previous prime is 52331381. The next prime is 52331443. The reversal of 52331393 is 39313325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31281649 + 21049744 = 5593^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 52331393 - 2¹⁴ = 52315009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52331303) 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, 26165696 + 26165697.

It is an arithmetic number, because the mean of its divisors is an integer number (26165697).

Almost surely, 2^52331393 is an apocalyptic number.

It is an amenable number.

52331393 is a deficient number, since it is larger than the sum of its proper divisors (1).

52331393 is an equidigital number, since it uses as much as digits as its factorization.

52331393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 29.

The square root of 52331393 is about 7234.0440280662. The cubic root of 52331393 is about 374.0423398547.

The spelling of 52331393 in words is "fifty-two million, three hundred thirty-one thousand, three hundred ninety-three".