83253641 has 4 divisors (see below), whose sum is σ = 88150932. Its totient is φ = 78356352.

The previous prime is 83253613. The next prime is 83253647. The reversal of 83253641 is 14635238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14635238 = 2 ⋅7317619.

It can be written as a sum of positive squares in 2 ways, for example, as 52128400 + 31125241 = 7220^2 + 5579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83253641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83253598 and 83253607.

It is not an unprimeable number, because it can be changed into a prime (83253647) 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, 2448620 + ... + 2448653.

It is an arithmetic number, because the mean of its divisors is an integer number (22037733).

Almost surely, 2^83253641 is an apocalyptic number.

It is an amenable number.

83253641 is a deficient number, since it is larger than the sum of its proper divisors (4897291).

83253641 is a wasteful number, since it uses less digits than its factorization.

83253641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897290.

The product of its digits is 17280, while the sum is 32.

The square root of 83253641 is about 9124.3433188367. The cubic root of 83253641 is about 436.6509526294.

Adding to 83253641 its reverse (14635238), we get a palindrome (97888879).

The spelling of 83253641 in words is "eighty-three million, two hundred fifty-three thousand, six hundred forty-one".