528893969 has 2 divisors, whose sum is σ = 528893970. Its totient is φ = 528893968.

The previous prime is 528893957. The next prime is 528893971. The reversal of 528893969 is 969398825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507150400 + 21743569 = 22520^2 + 4663^2 .

It is a cyclic number.

It is not a de Polignac number, because 528893969 - 2²⁴ = 512116753 is a prime.

It is a super-2 number, since 2×528893969² = 559457660889145922, which contains 22 as substring.

Together with 528893971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (528803969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264446984 + 264446985.

It is an arithmetic number, because the mean of its divisors is an integer number (264446985).

Almost surely, 2^528893969 is an apocalyptic number.

It is an amenable number.

528893969 is a deficient number, since it is larger than the sum of its proper divisors (1).

528893969 is an equidigital number, since it uses as much as digits as its factorization.

528893969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 59.

The square root of 528893969 is about 22997.6948627466. The cubic root of 528893969 is about 808.7039013815.

The spelling of 528893969 in words is "five hundred twenty-eight million, eight hundred ninety-three thousand, nine hundred sixty-nine".