83047193 has 4 divisors (see below), whose sum is σ = 87932340. Its totient is φ = 78162048.

The previous prime is 83047189. The next prime is 83047241. The reversal of 83047193 is 39174038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39174038 = 2 ⋅19587019.

It can be written as a sum of positive squares in 2 ways, for example, as 75134224 + 7912969 = 8668^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 83047193 - 2² = 83047189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83041193) 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, 2442548 + ... + 2442581.

It is an arithmetic number, because the mean of its divisors is an integer number (21983085).

Almost surely, 2^83047193 is an apocalyptic number.

It is an amenable number.

83047193 is a deficient number, since it is larger than the sum of its proper divisors (4885147).

83047193 is a wasteful number, since it uses less digits than its factorization.

83047193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885146.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 83047193 is about 9113.0232634401. The cubic root of 83047193 is about 436.2897258591.

The spelling of 83047193 in words is "eighty-three million, forty-seven thousand, one hundred ninety-three".