86125057 has 2 divisors, whose sum is σ = 86125058. Its totient is φ = 86125056.

The previous prime is 86125021. The next prime is 86125063. The reversal of 86125057 is 75052168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61214976 + 24910081 = 7824^2 + 4991^2 .

It is a cyclic number.

It is not a de Polignac number, because 86125057 - 2¹⁹ = 85600769 is a prime.

It is not a weakly prime, because it can be changed into another prime (86125357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43062528 + 43062529.

It is an arithmetic number, because the mean of its divisors is an integer number (43062529).

Almost surely, 2^86125057 is an apocalyptic number.

It is an amenable number.

86125057 is a deficient number, since it is larger than the sum of its proper divisors (1).

86125057 is an equidigital number, since it uses as much as digits as its factorization.

86125057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 86125057 is about 9280.3586676378. The cubic root of 86125057 is about 441.6143469689.

The spelling of 86125057 in words is "eighty-six million, one hundred twenty-five thousand, fifty-seven".