528383816531 has 2 divisors, whose sum is σ = 528383816532. Its totient is φ = 528383816530.

The previous prime is 528383816503. The next prime is 528383816549. The reversal of 528383816531 is 135618383825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528383816531 - 2²² = 528379622227 is a prime.

It is a super-2 number, since 2×528383816531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (528383816501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264191908265 + 264191908266.

It is an arithmetic number, because the mean of its divisors is an integer number (264191908266).

Almost surely, 2^528383816531 is an apocalyptic number.

528383816531 is a deficient number, since it is larger than the sum of its proper divisors (1).

528383816531 is an equidigital number, since it uses as much as digits as its factorization.

528383816531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 53.

The spelling of 528383816531 in words is "five hundred twenty-eight billion, three hundred eighty-three million, eight hundred sixteen thousand, five hundred thirty-one".