83420353 has 2 divisors, whose sum is σ = 83420354. Its totient is φ = 83420352.

The previous prime is 83420339. The next prime is 83420371. The reversal of 83420353 is 35302438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66048129 + 17372224 = 8127^2 + 4168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83420353 is a prime.

It is not a weakly prime, because it can be changed into another prime (83420383) 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, 41710176 + 41710177.

It is an arithmetic number, because the mean of its divisors is an integer number (41710177).

Almost surely, 2^83420353 is an apocalyptic number.

It is an amenable number.

83420353 is a deficient number, since it is larger than the sum of its proper divisors (1).

83420353 is an equidigital number, since it uses as much as digits as its factorization.

83420353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 83420353 is about 9133.4743115640. The cubic root of 83420353 is about 436.9422168396.

The spelling of 83420353 in words is "eighty-three million, four hundred twenty thousand, three hundred fifty-three".