528245503 has 2 divisors, whose sum is σ = 528245504. Its totient is φ = 528245502.

The previous prime is 528245483. The next prime is 528245513. The reversal of 528245503 is 305542825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528245503 is a prime.

It is a super-2 number, since 2×528245503² = 558086622879446018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528245513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264122751 + 264122752.

It is an arithmetic number, because the mean of its divisors is an integer number (264122752).

Almost surely, 2^528245503 is an apocalyptic number.

528245503 is a deficient number, since it is larger than the sum of its proper divisors (1).

528245503 is an equidigital number, since it uses as much as digits as its factorization.

528245503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 528245503 is about 22983.5920386697. The cubic root of 528245503 is about 808.3732544802.

The spelling of 528245503 in words is "five hundred twenty-eight million, two hundred forty-five thousand, five hundred three".