83442481 has 2 divisors, whose sum is σ = 83442482. Its totient is φ = 83442480.

The previous prime is 83442467. The next prime is 83442487. The reversal of 83442481 is 18424438.

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., 47334400 + 36108081 = 6880^2 + 6009^2 .

It is a cyclic number.

It is not a de Polignac number, because 83442481 - 2⁷ = 83442353 is a prime.

It is a super-2 number, since 2×83442481² = 13925295270870722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83442487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41721240 + 41721241.

It is an arithmetic number, because the mean of its divisors is an integer number (41721241).

Almost surely, 2^83442481 is an apocalyptic number.

It is an amenable number.

83442481 is a deficient number, since it is larger than the sum of its proper divisors (1).

83442481 is an equidigital number, since it uses as much as digits as its factorization.

83442481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 34.

The square root of 83442481 is about 9134.6855994063. The cubic root of 83442481 is about 436.9808477102.

The spelling of 83442481 in words is "eighty-three million, four hundred forty-two thousand, four hundred eighty-one".