83505361 has 8 divisors (see below), whose sum is σ = 87993920. Its totient is φ = 79026192.

The previous prime is 83505353. The next prime is 83505371. The reversal of 83505361 is 16350538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83505361 - 2³ = 83505353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83505371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23071 + ... + 26443.

It is an arithmetic number, because the mean of its divisors is an integer number (10999240).

Almost surely, 2^83505361 is an apocalyptic number.

It is an amenable number.

83505361 is a deficient number, since it is larger than the sum of its proper divisors (4488559).

83505361 is a wasteful number, since it uses less digits than its factorization.

83505361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 83505361 is about 9138.1267774090. The cubic root of 83505361 is about 437.0905858044.

Adding to 83505361 its reverse (16350538), we get a palindrome (99855899).

The spelling of 83505361 in words is "eighty-three million, five hundred five thousand, three hundred sixty-one".