502130000401 has 2 divisors, whose sum is σ = 502130000402. Its totient is φ = 502130000400.

The previous prime is 502130000387. The next prime is 502130000479. The reversal of 502130000401 is 104000031205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449791542225 + 52338458176 = 670665^2 + 228776^2 .

It is a cyclic number.

It is not a de Polignac number, because 502130000401 - 2¹¹ = 502129998353 is a prime.

It is not a weakly prime, because it can be changed into another prime (502130000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251065000200 + 251065000201.

It is an arithmetic number, because the mean of its divisors is an integer number (251065000201).

Almost surely, 2^502130000401 is an apocalyptic number.

It is an amenable number.

502130000401 is a deficient number, since it is larger than the sum of its proper divisors (1).

502130000401 is an equidigital number, since it uses as much as digits as its factorization.

502130000401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 502130000401 its reverse (104000031205), we get a palindrome (606130031606).

The spelling of 502130000401 in words is "five hundred two billion, one hundred thirty million, four hundred one", and thus it is an aban number.