89415061 has 2 divisors, whose sum is σ = 89415062. Its totient is φ = 89415060.

The previous prime is 89415059. The next prime is 89415071. The reversal of 89415061 is 16051498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68310225 + 21104836 = 8265^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 89415061 - 2¹ = 89415059 is a prime.

Together with 89415059, 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 (89415071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44707530 + 44707531.

It is an arithmetic number, because the mean of its divisors is an integer number (44707531).

Almost surely, 2^89415061 is an apocalyptic number.

It is an amenable number.

89415061 is a deficient number, since it is larger than the sum of its proper divisors (1).

89415061 is an equidigital number, since it uses as much as digits as its factorization.

89415061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 89415061 is about 9455.9537329663. The cubic root of 89415061 is about 447.1674939144.

The spelling of 89415061 in words is "eighty-nine million, four hundred fifteen thousand, sixty-one".