83020237 has 4 divisors (see below), whose sum is σ = 83174236. Its totient is φ = 82866240.

The previous prime is 83020211. The next prime is 83020261. The reversal of 83020237 is 73202038.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63536841 + 19483396 = 7971^2 + 4414^2 .

It is a cyclic number.

It is not a de Polignac number, because 83020237 - 2¹⁵ = 82987469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83020277) 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, 76188 + ... + 77269.

It is an arithmetic number, because the mean of its divisors is an integer number (20793559).

Almost surely, 2^83020237 is an apocalyptic number.

It is an amenable number.

83020237 is a deficient number, since it is larger than the sum of its proper divisors (153999).

83020237 is a wasteful number, since it uses less digits than its factorization.

83020237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153998.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 83020237 is about 9111.5441611178. The cubic root of 83020237 is about 436.2425161618.

The spelling of 83020237 in words is "eighty-three million, twenty thousand, two hundred thirty-seven".