85850503 has 2 divisors, whose sum is σ = 85850504. Its totient is φ = 85850502.

The previous prime is 85850483. The next prime is 85850509. The reversal of 85850503 is 30505858.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85850503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85850509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42925251 + 42925252.

It is an arithmetic number, because the mean of its divisors is an integer number (42925252).

Almost surely, 2^85850503 is an apocalyptic number.

85850503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85850503 is an equidigital number, since it uses as much as digits as its factorization.

85850503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 85850503 is about 9265.5546515036. The cubic root of 85850503 is about 441.1445802618.

The spelling of 85850503 in words is "eighty-five million, eight hundred fifty thousand, five hundred three".