83033261 has 8 divisors (see below), whose sum is σ = 85270584. Its totient is φ = 80824320.

The previous prime is 83033231. The next prime is 83033297. The reversal of 83033261 is 16233038.

It can be written as a sum of positive squares in 4 ways, for example, as 1943236 + 81090025 = 1394^2 + 9005^2 .

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 83033261 - 2¹⁴ = 83016877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83033261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83033231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (10658823).

Almost surely, 2^83033261 is an apocalyptic number.

It is an amenable number.

83033261 is a deficient number, since it is larger than the sum of its proper divisors (2237323).

83033261 is a wasteful number, since it uses less digits than its factorization.

83033261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 83033261 is about 9112.2588308278. The cubic root of 83033261 is about 436.2653271682.

Adding to 83033261 its reverse (16233038), we get a palindrome (99266299).

The spelling of 83033261 in words is "eighty-three million, thirty-three thousand, two hundred sixty-one".