89285725 has 6 divisors (see below), whose sum is σ = 110714330. Its totient is φ = 71428560.

The previous prime is 89285723. The next prime is 89285767. The reversal of 89285725 is 52758298.

It can be written as a sum of positive squares in 3 ways, for example, as 20412324 + 68873401 = 4518^2 + 8299^2 .

It is not a de Polignac number, because 89285725 - 2¹ = 89285723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89285723) 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 5 ways as a sum of consecutive naturals, for example, 1785690 + ... + 1785739.

Almost surely, 2^89285725 is an apocalyptic number.

It is an amenable number.

89285725 is a deficient number, since it is larger than the sum of its proper divisors (21428605).

89285725 is a wasteful number, since it uses less digits than its factorization.

89285725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571439 (or 3571434 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 89285725 is about 9449.1123921774. The cubic root of 89285725 is about 446.9517854264.

The spelling of 89285725 in words is "eighty-nine million, two hundred eighty-five thousand, seven hundred twenty-five".