528623 has 2 divisors, whose sum is σ = 528624. Its totient is φ = 528622.

The previous prime is 528611. The next prime is 528629. The reversal of 528623 is 326825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528623 - 2⁶ = 528559 is a prime.

It is a super-2 number, since 2×528623² = 558884552258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 528592 and 528601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264311 + 264312.

It is an arithmetic number, because the mean of its divisors is an integer number (264312).

2⁵²⁸⁶²³ is an apocalyptic number.

528623 is a deficient number, since it is larger than the sum of its proper divisors (1).

528623 is an equidigital number, since it uses as much as digits as its factorization.

528623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 528623 is about 727.0646463692. The cubic root of 528623 is about 80.8565769649.

The spelling of 528623 in words is "five hundred twenty-eight thousand, six hundred twenty-three".