83021043 has 24 divisors (see below), whose sum is σ = 129810432. Its totient is φ = 47056464.

The previous prime is 83021027. The next prime is 83021063. The reversal of 83021043 is 34012038.

It is a happy number.

It is not a de Polignac number, because 83021043 - 2⁴ = 83021027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (83021063) 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, 16446 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (5408768).

Almost surely, 2^83021043 is an apocalyptic number.

83021043 is a deficient number, since it is larger than the sum of its proper divisors (46789389).

83021043 is a wasteful number, since it uses less digits than its factorization.

83021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 83021043 is about 9111.5883906155. The cubic root of 83021043 is about 436.2439279073.

The spelling of 83021043 in words is "eighty-three million, twenty-one thousand, forty-three".