88581001 has 2 divisors, whose sum is σ = 88581002. Its totient is φ = 88581000.

The previous prime is 88580977. The next prime is 88581011. The reversal of 88581001 is 10018588.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82083600 + 6497401 = 9060^2 + 2549^2 .

It is a cyclic number.

It is not a de Polignac number, because 88581001 - 2⁵ = 88580969 is a prime.

It is not a weakly prime, because it can be changed into another prime (88581011) 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, 44290500 + 44290501.

It is an arithmetic number, because the mean of its divisors is an integer number (44290501).

Almost surely, 2^88581001 is an apocalyptic number.

It is an amenable number.

88581001 is a deficient number, since it is larger than the sum of its proper divisors (1).

88581001 is an equidigital number, since it uses as much as digits as its factorization.

88581001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 88581001 is about 9411.7480310514. The cubic root of 88581001 is about 445.7727615694.

Adding to 88581001 its reverse (10018588), we get a palindrome (98599589).

The spelling of 88581001 in words is "eighty-eight million, five hundred eighty-one thousand, one".