83553329 has 2 divisors, whose sum is σ = 83553330. Its totient is φ = 83553328.

The previous prime is 83553313. The next prime is 83553341. The reversal of 83553329 is 92335538.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66455104 + 17098225 = 8152^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 83553329 - 2⁴ = 83553313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83553292 and 83553301.

It is not a weakly prime, because it can be changed into another prime (83553529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41776664 + 41776665.

It is an arithmetic number, because the mean of its divisors is an integer number (41776665).

Almost surely, 2^83553329 is an apocalyptic number.

It is an amenable number.

83553329 is a deficient number, since it is larger than the sum of its proper divisors (1).

83553329 is an equidigital number, since it uses as much as digits as its factorization.

83553329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The square root of 83553329 is about 9140.7510085332. The cubic root of 83553329 is about 437.1742624598.

The spelling of 83553329 in words is "eighty-three million, five hundred fifty-three thousand, three hundred twenty-nine".