89295181 has 2 divisors, whose sum is σ = 89295182. Its totient is φ = 89295180.

The previous prime is 89295179. The next prime is 89295191. The reversal of 89295181 is 18159298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 16892100 = 8509^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 89295181 - 2¹ = 89295179 is a prime.

It is a super-2 number, since 2×89295181² = 15947258699645522, which contains 22 as substring.

Together with 89295179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89295191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44647590 + 44647591.

It is an arithmetic number, because the mean of its divisors is an integer number (44647591).

Almost surely, 2^89295181 is an apocalyptic number.

It is an amenable number.

89295181 is a deficient number, since it is larger than the sum of its proper divisors (1).

89295181 is an equidigital number, since it uses as much as digits as its factorization.

89295181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 43.

The square root of 89295181 is about 9449.6127433880. The cubic root of 89295181 is about 446.9675633382.

The spelling of 89295181 in words is "eighty-nine million, two hundred ninety-five thousand, one hundred eighty-one".