83507057 has 2 divisors, whose sum is σ = 83507058. Its totient is φ = 83507056.

The previous prime is 83507041. The next prime is 83507069. The reversal of 83507057 is 75070538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76195441 + 7311616 = 8729^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 83507057 - 2⁴ = 83507041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83507257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41753528 + 41753529.

It is an arithmetic number, because the mean of its divisors is an integer number (41753529).

Almost surely, 2^83507057 is an apocalyptic number.

It is an amenable number.

83507057 is a deficient number, since it is larger than the sum of its proper divisors (1).

83507057 is an equidigital number, since it uses as much as digits as its factorization.

83507057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 83507057 is about 9138.2195749500. The cubic root of 83507057 is about 437.0935448984.

The spelling of 83507057 in words is "eighty-three million, five hundred seven thousand, fifty-seven".