82355603 has 4 divisors (see below), whose sum is σ = 89842488. Its totient is φ = 74868720.

The previous prime is 82355569. The next prime is 82355629. The reversal of 82355603 is 30655328.

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 82355603 - 2²² = 78161299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82355603.

It is not an unprimeable number, because it can be changed into a prime (82355503) 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 3 ways as a sum of consecutive naturals, for example, 3743426 + ... + 3743447.

It is an arithmetic number, because the mean of its divisors is an integer number (22460622).

Almost surely, 2^82355603 is an apocalyptic number.

82355603 is a deficient number, since it is larger than the sum of its proper divisors (7486885).

82355603 is a wasteful number, since it uses less digits than its factorization.

82355603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486884.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 82355603 is about 9074.9987878787. The cubic root of 82355603 is about 435.0752553994.

The spelling of 82355603 in words is "eighty-two million, three hundred fifty-five thousand, six hundred three".