89455213 has 2 divisors, whose sum is σ = 89455214. Its totient is φ = 89455212.

The previous prime is 89455199. The next prime is 89455237. The reversal of 89455213 is 31255498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 30503529 = 7678^2 + 5523^2 .

It is a cyclic number.

It is not a de Polignac number, because 89455213 - 2¹⁷ = 89324141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89455273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44727606 + 44727607.

It is an arithmetic number, because the mean of its divisors is an integer number (44727607).

Almost surely, 2^89455213 is an apocalyptic number.

It is an amenable number.

89455213 is a deficient number, since it is larger than the sum of its proper divisors (1).

89455213 is an equidigital number, since it uses as much as digits as its factorization.

89455213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 89455213 is about 9458.0766015084. The cubic root of 89455213 is about 447.2344176971.

The spelling of 89455213 in words is "eighty-nine million, four hundred fifty-five thousand, two hundred thirteen".