85401603 has 24 divisors (see below), whose sum is σ = 143646048. Its totient is φ = 47878272.

The previous prime is 85401601. The next prime is 85401611. The reversal of 85401603 is 30610458.

85401603 is a `hidden beast` number, since 8 + 54 + 0 + 1 + 603 = 666.

It is not a de Polignac number, because 85401603 - 2¹ = 85401601 is a prime.

It is a super-3 number, since 3×85401603³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (85401601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9450 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (5985252).

Almost surely, 2^85401603 is an apocalyptic number.

85401603 is a deficient number, since it is larger than the sum of its proper divisors (58244445).

85401603 is a wasteful number, since it uses less digits than its factorization.

85401603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25643 (or 25640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 85401603 is about 9241.2987723588. The cubic root of 85401603 is about 440.3743422403.

The spelling of 85401603 in words is "eighty-five million, four hundred one thousand, six hundred three".