528993667 has 2 divisors, whose sum is σ = 528993668. Its totient is φ = 528993666.

The previous prime is 528993653. The next prime is 528993701. The reversal of 528993667 is 766399825.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528993667 is a prime.

It is a super-2 number, since 2×528993667² = 559668599452213778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (528993167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264496833 + 264496834.

It is an arithmetic number, because the mean of its divisors is an integer number (264496834).

Almost surely, 2^528993667 is an apocalyptic number.

528993667 is a deficient number, since it is larger than the sum of its proper divisors (1).

528993667 is an equidigital number, since it uses as much as digits as its factorization.

528993667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 55.

The square root of 528993667 is about 22999.8623256749. The cubic root of 528993667 is about 808.7547125086.

The spelling of 528993667 in words is "five hundred twenty-eight million, nine hundred ninety-three thousand, six hundred sixty-seven".