83406061 has 2 divisors, whose sum is σ = 83406062. Its totient is φ = 83406060.

The previous prime is 83406053. The next prime is 83406079. The reversal of 83406061 is 16060438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77105961 + 6300100 = 8781^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 83406061 - 2³ = 83406053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83406031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41703030 + 41703031.

It is an arithmetic number, because the mean of its divisors is an integer number (41703031).

Almost surely, 2^83406061 is an apocalyptic number.

It is an amenable number.

83406061 is a deficient number, since it is larger than the sum of its proper divisors (1).

83406061 is an equidigital number, since it uses as much as digits as its factorization.

83406061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83406061 is about 9132.6918813677. The cubic root of 83406061 is about 436.9172623586.

Adding to 83406061 its reverse (16060438), we get a palindrome (99466499).

The spelling of 83406061 in words is "eighty-three million, four hundred six thousand, sixty-one".