86253181 has 8 divisors (see below), whose sum is σ = 100587200. Its totient is φ = 73931004.

The previous prime is 86253169. The next prime is 86253203. The reversal of 86253181 is 18135268.

It is not a de Polignac number, because 86253181 - 2¹³ = 86244989 is a prime.

It is a super-2 number, since 2×86253181² = 14879222465237522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86253281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125391 + ... + 126076.

It is an arithmetic number, because the mean of its divisors is an integer number (12573400).

Almost surely, 2^86253181 is an apocalyptic number.

It is an amenable number.

86253181 is a deficient number, since it is larger than the sum of its proper divisors (14334019).

86253181 is an equidigital number, since it uses as much as digits as its factorization.

86253181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251488 (or 251474 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 86253181 is about 9287.2590682074. The cubic root of 86253181 is about 441.8332277605.

The spelling of 86253181 in words is "eighty-six million, two hundred fifty-three thousand, one hundred eighty-one".