528623863 has 2 divisors, whose sum is σ = 528623864. Its totient is φ = 528623862.

The previous prime is 528623827. The next prime is 528623869. The reversal of 528623863 is 368326825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528623863 - 2¹⁷ = 528492791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528623869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264311931 + 264311932.

It is an arithmetic number, because the mean of its divisors is an integer number (264311932).

Almost surely, 2^528623863 is an apocalyptic number.

528623863 is a deficient number, since it is larger than the sum of its proper divisors (1).

528623863 is an equidigital number, since it uses as much as digits as its factorization.

528623863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 528623863 is about 22991.8216546667. The cubic root of 528623863 is about 808.5662096548.

The spelling of 528623863 in words is "five hundred twenty-eight million, six hundred twenty-three thousand, eight hundred sixty-three".