83563403 has 16 divisors (see below), whose sum is σ = 104741376. Its totient is φ = 64765440.

The previous prime is 83563399. The next prime is 83563429. The reversal of 83563403 is 30436538.

It is a cyclic number.

It is not a de Polignac number, because 83563403 - 2² = 83563399 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 83563403.

It is not an unprimeable number, because it can be changed into a prime (83563303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12050 + ... + 17672.

It is an arithmetic number, because the mean of its divisors is an integer number (6546336).

Almost surely, 2^83563403 is an apocalyptic number.

83563403 is a deficient number, since it is larger than the sum of its proper divisors (21177973).

83563403 is a wasteful number, since it uses less digits than its factorization.

83563403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 83563403 is about 9141.3020407380. The cubic root of 83563403 is about 437.1918317439.

The spelling of 83563403 in words is "eighty-three million, five hundred sixty-three thousand, four hundred three".