83580361 has 2 divisors, whose sum is σ = 83580362. Its totient is φ = 83580360.

The previous prime is 83580353. The next prime is 83580421. The reversal of 83580361 is 16308538.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42055225 + 41525136 = 6485^2 + 6444^2 .

It is a cyclic number.

It is not a de Polignac number, because 83580361 - 2³ = 83580353 is a prime.

It is not a weakly prime, because it can be changed into another prime (83580461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41790180 + 41790181.

It is an arithmetic number, because the mean of its divisors is an integer number (41790181).

Almost surely, 2^83580361 is an apocalyptic number.

It is an amenable number.

83580361 is a deficient number, since it is larger than the sum of its proper divisors (1).

83580361 is an equidigital number, since it uses as much as digits as its factorization.

83580361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 83580361 is about 9142.2295420756. The cubic root of 83580361 is about 437.2214036911.

Adding to 83580361 its reverse (16308538), we get a palindrome (99888899).

The spelling of 83580361 in words is "eighty-three million, five hundred eighty thousand, three hundred sixty-one".