85603519 has 2 divisors, whose sum is σ = 85603520. Its totient is φ = 85603518.

The previous prime is 85603499. The next prime is 85603541. The reversal of 85603519 is 91530658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85603519 - 2⁵ = 85603487 is a prime.

It is a super-2 number, since 2×85603519² = 14655924930366722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85603549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42801759 + 42801760.

It is an arithmetic number, because the mean of its divisors is an integer number (42801760).

Almost surely, 2^85603519 is an apocalyptic number.

85603519 is a deficient number, since it is larger than the sum of its proper divisors (1).

85603519 is an equidigital number, since it uses as much as digits as its factorization.

85603519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 85603519 is about 9252.2169775681. The cubic root of 85603519 is about 440.7211297999.

The spelling of 85603519 in words is "eighty-five million, six hundred three thousand, five hundred nineteen".