83045641 has 6 divisors (see below), whose sum is σ = 96604170. Its totient is φ = 71181936.

The previous prime is 83045563. The next prime is 83045653. The reversal of 83045641 is 14654038.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60918025 + 22127616 = 7805^2 + 4704^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83045641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83045671) 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 5 ways as a sum of consecutive naturals, for example, 847356 + ... + 847453.

It is an arithmetic number, because the mean of its divisors is an integer number (16100695).

Almost surely, 2^83045641 is an apocalyptic number.

It is an amenable number.

83045641 is a deficient number, since it is larger than the sum of its proper divisors (13558529).

83045641 is a wasteful number, since it uses less digits than its factorization.

83045641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694823 (or 1694816 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 83045641 is about 9112.9381101816. The cubic root of 83045641 is about 436.2870080235.

Adding to 83045641 its reverse (14654038), we get a palindrome (97699679).

The spelling of 83045641 in words is "eighty-three million, forty-five thousand, six hundred forty-one".