89481061 has 2 divisors, whose sum is σ = 89481062. Its totient is φ = 89481060.

The previous prime is 89481053. The next prime is 89481071. The reversal of 89481061 is 16018498.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 4730625 = 9206^2 + 2175^2 .

It is a cyclic number.

It is not a de Polignac number, because 89481061 - 2³ = 89481053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89481061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89481001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44740530 + 44740531.

It is an arithmetic number, because the mean of its divisors is an integer number (44740531).

Almost surely, 2^89481061 is an apocalyptic number.

It is an amenable number.

89481061 is a deficient number, since it is larger than the sum of its proper divisors (1).

89481061 is an equidigital number, since it uses as much as digits as its factorization.

89481061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 89481061 is about 9459.4429540010. The cubic root of 89481061 is about 447.2774895376.

The spelling of 89481061 in words is "eighty-nine million, four hundred eighty-one thousand, sixty-one".