82541603 has 4 divisors (see below), whose sum is σ = 82766880. Its totient is φ = 82316328.

The previous prime is 82541593. The next prime is 82541609. The reversal of 82541603 is 30614528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82541603 - 2¹⁸ = 82279459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82541609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112088 + ... + 112821.

It is an arithmetic number, because the mean of its divisors is an integer number (20691720).

Almost surely, 2^82541603 is an apocalyptic number.

82541603 is a deficient number, since it is larger than the sum of its proper divisors (225277).

82541603 is a wasteful number, since it uses less digits than its factorization.

82541603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225276.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 82541603 is about 9085.2409434203. The cubic root of 82541603 is about 435.4025480533.

The spelling of 82541603 in words is "eighty-two million, five hundred forty-one thousand, six hundred three".