83553373 has 2 divisors, whose sum is σ = 83553374. Its totient is φ = 83553372.

The previous prime is 83553341. The next prime is 83553377. The reversal of 83553373 is 37335538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 2229049 = 9018^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 83553373 - 2⁵ = 83553341 is a prime.

It is a super-2 number, since 2×83553373² = 13962332279354258, which contains 22 as substring.

It is equal to p_4864528 and since 83553373 and 4864528 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83553377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41776686 + 41776687.

It is an arithmetic number, because the mean of its divisors is an integer number (41776687).

Almost surely, 2^83553373 is an apocalyptic number.

It is an amenable number.

83553373 is a deficient number, since it is larger than the sum of its proper divisors (1).

83553373 is an equidigital number, since it uses as much as digits as its factorization.

83553373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 37.

The square root of 83553373 is about 9140.7534153373. The cubic root of 83553373 is about 437.1743391998.

The spelling of 83553373 in words is "eighty-three million, five hundred fifty-three thousand, three hundred seventy-three".