89997241 has 2 divisors, whose sum is σ = 89997242. Its totient is φ = 89997240.

The previous prime is 89997227. The next prime is 89997253. The reversal of 89997241 is 14279998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 24710841 = 8080^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 89997241 - 2²³ = 81608633 is a prime.

It is a super-2 number, since 2×89997241² = 16199006775224162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89997211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44998620 + 44998621.

It is an arithmetic number, because the mean of its divisors is an integer number (44998621).

Almost surely, 2^89997241 is an apocalyptic number.

It is an amenable number.

89997241 is a deficient number, since it is larger than the sum of its proper divisors (1).

89997241 is an equidigital number, since it uses as much as digits as its factorization.

89997241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The square root of 89997241 is about 9486.6875673230. The cubic root of 89997241 is about 448.1358952772.

The spelling of 89997241 in words is "eighty-nine million, nine hundred ninety-seven thousand, two hundred forty-one".