86612573 has 2 divisors, whose sum is σ = 86612574. Its totient is φ = 86612572.

The previous prime is 86612563. The next prime is 86612593. The reversal of 86612573 is 37521668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 42549529 = 6638^2 + 6523^2 .

It is a cyclic number.

It is not a de Polignac number, because 86612573 - 2⁶ = 86612509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86612563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43306286 + 43306287.

It is an arithmetic number, because the mean of its divisors is an integer number (43306287).

Almost surely, 2^86612573 is an apocalyptic number.

It is an amenable number.

86612573 is a deficient number, since it is larger than the sum of its proper divisors (1).

86612573 is an equidigital number, since it uses as much as digits as its factorization.

86612573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 86612573 is about 9306.5876130835. The cubic root of 86612573 is about 442.4460410653.

The spelling of 86612573 in words is "eighty-six million, six hundred twelve thousand, five hundred seventy-three".