86264573 has 2 divisors, whose sum is σ = 86264574. Its totient is φ = 86264572.

The previous prime is 86264567. The next prime is 86264587. The reversal of 86264573 is 37546268.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 11580409 = 8642^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 86264573 - 2⁴ = 86264557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86264573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86264873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43132286 + 43132287.

It is an arithmetic number, because the mean of its divisors is an integer number (43132287).

Almost surely, 2^86264573 is an apocalyptic number.

It is an amenable number.

86264573 is a deficient number, since it is larger than the sum of its proper divisors (1).

86264573 is an equidigital number, since it uses as much as digits as its factorization.

86264573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 86264573 is about 9287.8723613107. The cubic root of 86264573 is about 441.8526788018.

The spelling of 86264573 in words is "eighty-six million, two hundred sixty-four thousand, five hundred seventy-three".