83035921 has 4 divisors (see below), whose sum is σ = 83071972. Its totient is φ = 82999872.

The previous prime is 83035891. The next prime is 83035933. The reversal of 83035921 is 12953038.

It is a happy number.

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 60606225 + 22429696 = 7785^2 + 4736^2 .

It is a cyclic number.

It is not a de Polignac number, because 83035921 - 2¹³ = 83027729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83035621) 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, 14316 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (20767993).

Almost surely, 2^83035921 is an apocalyptic number.

It is an amenable number.

83035921 is a deficient number, since it is larger than the sum of its proper divisors (36051).

83035921 is a wasteful number, since it uses less digits than its factorization.

83035921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36050.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 83035921 is about 9112.4047868825. The cubic root of 83035921 is about 436.2699857566.

Adding to 83035921 its reverse (12953038), we get a palindrome (95988959).

The spelling of 83035921 in words is "eighty-three million, thirty-five thousand, nine hundred twenty-one".