83080421 has 2 divisors, whose sum is σ = 83080422. Its totient is φ = 83080420.

The previous prime is 83080409. The next prime is 83080433. The reversal of 83080421 is 12408038.

It is a balanced prime because it is at equal distance from previous prime (83080409) and next prime (83080433).

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 12285025 = 8414^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 83080421 - 2²² = 78886117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83080441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41540210 + 41540211.

It is an arithmetic number, because the mean of its divisors is an integer number (41540211).

Almost surely, 2^83080421 is an apocalyptic number.

It is an amenable number.

83080421 is a deficient number, since it is larger than the sum of its proper divisors (1).

83080421 is an equidigital number, since it uses as much as digits as its factorization.

83080421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 83080421 is about 9114.8461863051. The cubic root of 83080421 is about 436.3479060394.

Adding to 83080421 its reverse (12408038), we get a palindrome (95488459).

The spelling of 83080421 in words is "eighty-three million, eighty thousand, four hundred twenty-one".