502505402141 has 2 divisors, whose sum is σ = 502505402142. Its totient is φ = 502505402140.

The previous prime is 502505402101. The next prime is 502505402177. The reversal of 502505402141 is 141204505205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494812358041 + 7693044100 = 703429^2 + 87710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502505402141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502505402101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251252701070 + 251252701071.

It is an arithmetic number, because the mean of its divisors is an integer number (251252701071).

Almost surely, 2^502505402141 is an apocalyptic number.

It is an amenable number.

502505402141 is a deficient number, since it is larger than the sum of its proper divisors (1).

502505402141 is an equidigital number, since it uses as much as digits as its factorization.

502505402141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 502505402141 its reverse (141204505205), we get a palindrome (643709907346).

The spelling of 502505402141 in words is "five hundred two billion, five hundred five million, four hundred two thousand, one hundred forty-one".