502427993 has 2 divisors, whose sum is σ = 502427994. Its totient is φ = 502427992.

The previous prime is 502427977. The next prime is 502427999. The reversal of 502427993 is 399724205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397324489 + 105103504 = 19933^2 + 10252^2 .

It is a cyclic number.

It is not a de Polignac number, because 502427993 - 2⁴ = 502427977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 502427993.

It is not a weakly prime, because it can be changed into another prime (502427999) 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, 251213996 + 251213997.

It is an arithmetic number, because the mean of its divisors is an integer number (251213997).

Almost surely, 2^502427993 is an apocalyptic number.

It is an amenable number.

502427993 is a deficient number, since it is larger than the sum of its proper divisors (1).

502427993 is an equidigital number, since it uses as much as digits as its factorization.

502427993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 502427993 is about 22414.9055987305. The cubic root of 502427993 is about 794.9831849086.

The spelling of 502427993 in words is "five hundred two million, four hundred twenty-seven thousand, nine hundred ninety-three".