85603545 has 12 divisors (see below), whose sum is σ = 148379556. Its totient is φ = 45655200.

The previous prime is 85603541. The next prime is 85603549. The reversal of 85603545 is 54530658.

85603545 is a `hidden beast` number, since 8 + 5 + 603 + 5 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (85603541) and next prime (85603549).

It can be written as a sum of positive squares in 2 ways, for example, as 36869184 + 48734361 = 6072^2 + 6981^2 .

It is not a de Polignac number, because 85603545 - 2² = 85603541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85603541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951106 + ... + 951195.

It is an arithmetic number, because the mean of its divisors is an integer number (12364963).

Almost surely, 2^85603545 is an apocalyptic number.

It is an amenable number.

85603545 is a deficient number, since it is larger than the sum of its proper divisors (62776011).

85603545 is a wasteful number, since it uses less digits than its factorization.

85603545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902312 (or 1902309 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 85603545 is about 9252.2183826367. The cubic root of 85603545 is about 440.7211744194.

The spelling of 85603545 in words is "eighty-five million, six hundred three thousand, five hundred forty-five".