521012050193 has 2 divisors, whose sum is σ = 521012050194. Its totient is φ = 521012050192.

The previous prime is 521012050187. The next prime is 521012050259. The reversal of 521012050193 is 391050210125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520985134849 + 26915344 = 721793^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 521012050193 - 2¹⁴ = 521012033809 is a prime.

It is not a weakly prime, because it can be changed into another prime (521012050123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260506025096 + 260506025097.

It is an arithmetic number, because the mean of its divisors is an integer number (260506025097).

Almost surely, 2^521012050193 is an apocalyptic number.

It is an amenable number.

521012050193 is a deficient number, since it is larger than the sum of its proper divisors (1).

521012050193 is an equidigital number, since it uses as much as digits as its factorization.

521012050193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 521012050193 in words is "five hundred twenty-one billion, twelve million, fifty thousand, one hundred ninety-three".