502206216541 has 2 divisors, whose sum is σ = 502206216542. Its totient is φ = 502206216540.

The previous prime is 502206216419. The next prime is 502206216553. The reversal of 502206216541 is 145612602205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325088127225 + 177118089316 = 570165^2 + 420854^2 .

It is a cyclic number.

It is not a de Polignac number, because 502206216541 - 2¹³ = 502206208349 is a prime.

It is a super-2 number, since 2×502206216541² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502206216497 and 502206216506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502206216041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251103108270 + 251103108271.

It is an arithmetic number, because the mean of its divisors is an integer number (251103108271).

Almost surely, 2^502206216541 is an apocalyptic number.

It is an amenable number.

502206216541 is a deficient number, since it is larger than the sum of its proper divisors (1).

502206216541 is an equidigital number, since it uses as much as digits as its factorization.

502206216541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 502206216541 its reverse (145612602205), we get a palindrome (647818818746).

The spelling of 502206216541 in words is "five hundred two billion, two hundred six million, two hundred sixteen thousand, five hundred forty-one".