88525609 has 2 divisors, whose sum is σ = 88525610. Its totient is φ = 88525608.

The previous prime is 88525607. The next prime is 88525631. The reversal of 88525609 is 90652588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83997225 + 4528384 = 9165^2 + 2128^2 .

It is a cyclic number.

It is not a de Polignac number, because 88525609 - 2¹ = 88525607 is a prime.

Together with 88525607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (88525607) 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 as a sum of consecutive naturals, namely, 44262804 + 44262805.

It is an arithmetic number, because the mean of its divisors is an integer number (44262805).

Almost surely, 2^88525609 is an apocalyptic number.

It is an amenable number.

88525609 is a deficient number, since it is larger than the sum of its proper divisors (1).

88525609 is an equidigital number, since it uses as much as digits as its factorization.

88525609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 88525609 is about 9408.8048656564. The cubic root of 88525609 is about 445.6798244338.

The spelling of 88525609 in words is "eighty-eight million, five hundred twenty-five thousand, six hundred nine".