83193247 has 2 divisors, whose sum is σ = 83193248. Its totient is φ = 83193246.

The previous prime is 83193233. The next prime is 83193259. The reversal of 83193247 is 74239138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83193247 - 2¹⁹ = 82668959 is a prime.

It is a super-2 number, since 2×83193247² = 13842232692806018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83193217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41596623 + 41596624.

It is an arithmetic number, because the mean of its divisors is an integer number (41596624).

Almost surely, 2^83193247 is an apocalyptic number.

83193247 is a deficient number, since it is larger than the sum of its proper divisors (1).

83193247 is an equidigital number, since it uses as much as digits as its factorization.

83193247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 83193247 is about 9121.0332199812. The cubic root of 83193247 is about 436.5453417252.

The spelling of 83193247 in words is "eighty-three million, one hundred ninety-three thousand, two hundred forty-seven".