83161301 has 4 divisors (see below), whose sum is σ = 84018732. Its totient is φ = 82303872.

The previous prime is 83161291. The next prime is 83161303. The reversal of 83161301 is 10316138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27300625 + 55860676 = 5225^2 + 7474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83161301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83161303) 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, 428570 + ... + 428763.

It is an arithmetic number, because the mean of its divisors is an integer number (21004683).

Almost surely, 2^83161301 is an apocalyptic number.

It is an amenable number.

83161301 is a deficient number, since it is larger than the sum of its proper divisors (857431).

83161301 is an equidigital number, since it uses as much as digits as its factorization.

83161301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857430.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 83161301 is about 9119.2818247930. The cubic root of 83161301 is about 436.4894571294.

Adding to 83161301 its reverse (10316138), we get a palindrome (93477439).

The spelling of 83161301 in words is "eighty-three million, one hundred sixty-one thousand, three hundred one".