89525643 has 8 divisors (see below), whose sum is σ = 120526848. Its totient is φ = 59104104.

The previous prime is 89525629. The next prime is 89525651. The reversal of 89525643 is 34652598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89525643 - 2¹² = 89521547 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 89525595 and 89525604.

It is not an unprimeable number, because it can be changed into a prime (89525603) 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 in 7 ways as a sum of consecutive naturals, for example, 144555 + ... + 145172.

It is an arithmetic number, because the mean of its divisors is an integer number (15065856).

Almost surely, 2^89525643 is an apocalyptic number.

89525643 is a deficient number, since it is larger than the sum of its proper divisors (31001205).

89525643 is a wasteful number, since it uses less digits than its factorization.

89525643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289833.

The product of its digits is 259200, while the sum is 42.

The square root of 89525643 is about 9461.7991418123. The cubic root of 89525643 is about 447.3517593107.

The spelling of 89525643 in words is "eighty-nine million, five hundred twenty-five thousand, six hundred forty-three".