285525528503 has 2 divisors, whose sum is σ = 285525528504. Its totient is φ = 285525528502.

The previous prime is 285525528473. The next prime is 285525528539. The reversal of 285525528503 is 305825525582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285525528503 - 2¹² = 285525524407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285525528403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142762764251 + 142762764252.

It is an arithmetic number, because the mean of its divisors is an integer number (142762764252).

Almost surely, 2^285525528503 is an apocalyptic number.

285525528503 is a deficient number, since it is larger than the sum of its proper divisors (1).

285525528503 is an equidigital number, since it uses as much as digits as its factorization.

285525528503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800000, while the sum is 50.

The spelling of 285525528503 in words is "two hundred eighty-five billion, five hundred twenty-five million, five hundred twenty-eight thousand, five hundred three".