83537317 has 2 divisors, whose sum is σ = 83537318. Its totient is φ = 83537316.

The previous prime is 83537227. The next prime is 83537339. The reversal of 83537317 is 71373538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65270241 + 18267076 = 8079^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 83537317 - 2²³ = 75148709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83537387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41768658 + 41768659.

It is an arithmetic number, because the mean of its divisors is an integer number (41768659).

Almost surely, 2^83537317 is an apocalyptic number.

It is an amenable number.

83537317 is a deficient number, since it is larger than the sum of its proper divisors (1).

83537317 is an equidigital number, since it uses as much as digits as its factorization.

83537317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 83537317 is about 9139.8751085559. The cubic root of 83537317 is about 437.1463342628.

The spelling of 83537317 in words is "eighty-three million, five hundred thirty-seven thousand, three hundred seventeen".