52240393 has 2 divisors, whose sum is σ = 52240394. Its totient is φ = 52240392.

The previous prime is 52240361. The next prime is 52240403. The reversal of 52240393 is 39304225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51667344 + 573049 = 7188^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 52240393 - 2⁵ = 52240361 is a prime.

It is not a weakly prime, because it can be changed into another prime (52240493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26120196 + 26120197.

It is an arithmetic number, because the mean of its divisors is an integer number (26120197).

Almost surely, 2^52240393 is an apocalyptic number.

It is an amenable number.

52240393 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240393 is an equidigital number, since it uses as much as digits as its factorization.

52240393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 52240393 is about 7227.7515867661. The cubic root of 52240393 is about 373.8254044122.

The spelling of 52240393 in words is "fifty-two million, two hundred forty thousand, three hundred ninety-three".