89575061 has 2 divisors, whose sum is σ = 89575062. Its totient is φ = 89575060.

The previous prime is 89575033. The next prime is 89575067. The reversal of 89575061 is 16057598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50324836 + 39250225 = 7094^2 + 6265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89575061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89575067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44787530 + 44787531.

It is an arithmetic number, because the mean of its divisors is an integer number (44787531).

Almost surely, 2^89575061 is an apocalyptic number.

It is an amenable number.

89575061 is a deficient number, since it is larger than the sum of its proper divisors (1).

89575061 is an equidigital number, since it uses as much as digits as its factorization.

89575061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 89575061 is about 9464.4102299087. The cubic root of 89575061 is about 447.4340566356.

The spelling of 89575061 in words is "eighty-nine million, five hundred seventy-five thousand, sixty-one".