83231597 has 2 divisors, whose sum is σ = 83231598. Its totient is φ = 83231596.

The previous prime is 83231591. The next prime is 83231623. The reversal of 83231597 is 79513238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81198121 + 2033476 = 9011^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 83231597 - 2⁴ = 83231581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83231597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83231591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41615798 + 41615799.

It is an arithmetic number, because the mean of its divisors is an integer number (41615799).

Almost surely, 2^83231597 is an apocalyptic number.

It is an amenable number.

83231597 is a deficient number, since it is larger than the sum of its proper divisors (1).

83231597 is an equidigital number, since it uses as much as digits as its factorization.

83231597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 83231597 is about 9123.1352615206. The cubic root of 83231597 is about 436.6124102379.

The spelling of 83231597 in words is "eighty-three million, two hundred thirty-one thousand, five hundred ninety-seven".