86571253 has 2 divisors, whose sum is σ = 86571254. Its totient is φ = 86571252.

The previous prime is 86571203. The next prime is 86571269. The reversal of 86571253 is 35217568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67272804 + 19298449 = 8202^2 + 4393^2 .

It is a cyclic number.

It is not a de Polignac number, because 86571253 - 2⁹ = 86570741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86571203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43285626 + 43285627.

It is an arithmetic number, because the mean of its divisors is an integer number (43285627).

Almost surely, 2^86571253 is an apocalyptic number.

It is an amenable number.

86571253 is a deficient number, since it is larger than the sum of its proper divisors (1).

86571253 is an equidigital number, since it uses as much as digits as its factorization.

86571253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 86571253 is about 9304.3674153593. The cubic root of 86571253 is about 442.3756710726.

The spelling of 86571253 in words is "eighty-six million, five hundred seventy-one thousand, two hundred fifty-three".