83127061 has 2 divisors, whose sum is σ = 83127062. Its totient is φ = 83127060.

The previous prime is 83127007. The next prime is 83127103. The reversal of 83127061 is 16072138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 2235025 = 8994^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 83127061 - 2²¹ = 81029909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83127001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41563530 + 41563531.

It is an arithmetic number, because the mean of its divisors is an integer number (41563531).

Almost surely, 2^83127061 is an apocalyptic number.

It is an amenable number.

83127061 is a deficient number, since it is larger than the sum of its proper divisors (1).

83127061 is an equidigital number, since it uses as much as digits as its factorization.

83127061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 83127061 is about 9117.4042906959. The cubic root of 83127061 is about 436.4295436422.

Adding to 83127061 its reverse (16072138), we get a palindrome (99199199).

The spelling of 83127061 in words is "eighty-three million, one hundred twenty-seven thousand, sixty-one".