89541013 has 2 divisors, whose sum is σ = 89541014. Its totient is φ = 89541012.

The previous prime is 89540963. The next prime is 89541017. The reversal of 89541013 is 31014598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 28965924 = 7783^2 + 5382^2 .

It is a cyclic number.

It is not a de Polignac number, because 89541013 - 2⁹ = 89540501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89541017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44770506 + 44770507.

It is an arithmetic number, because the mean of its divisors is an integer number (44770507).

Almost surely, 2^89541013 is an apocalyptic number.

It is an amenable number.

89541013 is a deficient number, since it is larger than the sum of its proper divisors (1).

89541013 is an equidigital number, since it uses as much as digits as its factorization.

89541013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 89541013 is about 9462.6113203492. The cubic root of 89541013 is about 447.3773586916.

The spelling of 89541013 in words is "eighty-nine million, five hundred forty-one thousand, thirteen".