85190503 has 2 divisors, whose sum is σ = 85190504. Its totient is φ = 85190502.

The previous prime is 85190491. The next prime is 85190537. The reversal of 85190503 is 30509158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85190503 - 2¹³ = 85182311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85197503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42595251 + 42595252.

It is an arithmetic number, because the mean of its divisors is an integer number (42595252).

Almost surely, 2^85190503 is an apocalyptic number.

85190503 is a deficient number, since it is larger than the sum of its proper divisors (1).

85190503 is an equidigital number, since it uses as much as digits as its factorization.

85190503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 85190503 is about 9229.8701507659. The cubic root of 85190503 is about 440.0111963404.

The spelling of 85190503 in words is "eighty-five million, one hundred ninety thousand, five hundred three".