83499653 has 2 divisors, whose sum is σ = 83499654. Its totient is φ = 83499652.

The previous prime is 83499649. The next prime is 83499677. The reversal of 83499653 is 35699438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 14884 = 9137^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 83499653 - 2² = 83499649 is a prime.

It is a super-2 number, since 2×83499653² = 13944384102240818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83499598 and 83499607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83499643) 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 as a sum of consecutive naturals, namely, 41749826 + 41749827.

It is an arithmetic number, because the mean of its divisors is an integer number (41749827).

Almost surely, 2^83499653 is an apocalyptic number.

It is an amenable number.

83499653 is a deficient number, since it is larger than the sum of its proper divisors (1).

83499653 is an equidigital number, since it uses as much as digits as its factorization.

83499653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 83499653 is about 9137.8144542336. The cubic root of 83499653 is about 437.0806264841.

The spelling of 83499653 in words is "eighty-three million, four hundred ninety-nine thousand, six hundred fifty-three".