528206261273 has 2 divisors, whose sum is σ = 528206261274. Its totient is φ = 528206261272.

The previous prime is 528206261251. The next prime is 528206261293. The reversal of 528206261273 is 372162602825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355791969289 + 172414291984 = 596483^2 + 415228^2 .

It is a cyclic number.

It is not a de Polignac number, because 528206261273 - 2¹⁰ = 528206260249 is a prime.

It is not a weakly prime, because it can be changed into another prime (528206261293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264103130636 + 264103130637.

It is an arithmetic number, because the mean of its divisors is an integer number (264103130637).

Almost surely, 2^528206261273 is an apocalyptic number.

It is an amenable number.

528206261273 is a deficient number, since it is larger than the sum of its proper divisors (1).

528206261273 is an equidigital number, since it uses as much as digits as its factorization.

528206261273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 528206261273 in words is "five hundred twenty-eight billion, two hundred six million, two hundred sixty-one thousand, two hundred seventy-three".