83553313 has 2 divisors, whose sum is σ = 83553314. Its totient is φ = 83553312.

The previous prime is 83553307. The next prime is 83553329. The reversal of 83553313 is 31335538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61199329 + 22353984 = 7823^2 + 4728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83553313 is a prime.

It is a super-2 number, since 2×83553313² = 13962312226551938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83553373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41776656 + 41776657.

It is an arithmetic number, because the mean of its divisors is an integer number (41776657).

Almost surely, 2^83553313 is an apocalyptic number.

It is an amenable number.

83553313 is a deficient number, since it is larger than the sum of its proper divisors (1).

83553313 is an equidigital number, since it uses as much as digits as its factorization.

83553313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 83553313 is about 9140.7501333315. The cubic root of 83553313 is about 437.1742345543.

The spelling of 83553313 in words is "eighty-three million, five hundred fifty-three thousand, three hundred thirteen".