502057217 has 2 divisors, whose sum is σ = 502057218. Its totient is φ = 502057216.

The previous prime is 502057189. The next prime is 502057229. The reversal of 502057217 is 712750205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351037696 + 151019521 = 18736^2 + 12289^2 .

It is a cyclic number.

It is not a de Polignac number, because 502057217 - 2²⁸ = 233621761 is a prime.

It is a super-2 number, since 2×502057217² = 504122898283570178, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 502057217.

It is not a weakly prime, because it can be changed into another prime (502057247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251028608 + 251028609.

It is an arithmetic number, because the mean of its divisors is an integer number (251028609).

Almost surely, 2^502057217 is an apocalyptic number.

It is an amenable number.

502057217 is a deficient number, since it is larger than the sum of its proper divisors (1).

502057217 is an equidigital number, since it uses as much as digits as its factorization.

502057217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 502057217 is about 22406.6333258703. The cubic root of 502057217 is about 794.7875792847.

The spelling of 502057217 in words is "five hundred two million, fifty-seven thousand, two hundred seventeen".