83474213 has 4 divisors (see below), whose sum is σ = 83536908. Its totient is φ = 83411520.

The previous prime is 83474207. The next prime is 83474243. The reversal of 83474213 is 31247438.

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 53246209 + 30228004 = 7297^2 + 5498^2 .

It is a cyclic number.

It is not a de Polignac number, because 83474213 - 2¹⁸ = 83212069 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 83474213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83474243) 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, 29306 + ... + 32027.

It is an arithmetic number, because the mean of its divisors is an integer number (20884227).

Almost surely, 2^83474213 is an apocalyptic number.

It is an amenable number.

83474213 is a deficient number, since it is larger than the sum of its proper divisors (62695).

83474213 is a wasteful number, since it uses less digits than its factorization.

83474213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62694.

The product of its digits is 16128, while the sum is 32.

The square root of 83474213 is about 9136.4223304311. The cubic root of 83474213 is about 437.0362332435.

The spelling of 83474213 in words is "eighty-three million, four hundred seventy-four thousand, two hundred thirteen".