83326121 has 4 divisors (see below), whose sum is σ = 83356500. Its totient is φ = 83295744.

The previous prime is 83326099. The next prime is 83326127. The reversal of 83326121 is 12162338.

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 22657600 + 60668521 = 4760^2 + 7789^2 .

It is a cyclic number.

It is not a de Polignac number, because 83326121 - 2⁶ = 83326057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83326127) 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, 10616 + ... + 16713.

It is an arithmetic number, because the mean of its divisors is an integer number (20839125).

Almost surely, 2^83326121 is an apocalyptic number.

It is an amenable number.

83326121 is a deficient number, since it is larger than the sum of its proper divisors (30379).

83326121 is a wasteful number, since it uses less digits than its factorization.

83326121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30378.

The product of its digits is 1728, while the sum is 26.

The square root of 83326121 is about 9128.3142474391. The cubic root of 83326121 is about 436.7776308976. Note that the first 3 decimals are identical.

Adding to 83326121 its reverse (12162338), we get a palindrome (95488459).

The spelling of 83326121 in words is "eighty-three million, three hundred twenty-six thousand, one hundred twenty-one".