88325981 has 2 divisors, whose sum is σ = 88325982. Its totient is φ = 88325980.

The previous prime is 88325977. The next prime is 88326011. The reversal of 88325981 is 18952388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50993881 + 37332100 = 7141^2 + 6110^2 .

It is a cyclic number.

It is not a de Polignac number, because 88325981 - 2² = 88325977 is a prime.

It is a super-2 number, since 2×88325981² = 15602957839224722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88325921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44162990 + 44162991.

It is an arithmetic number, because the mean of its divisors is an integer number (44162991).

Almost surely, 2^88325981 is an apocalyptic number.

It is an amenable number.

88325981 is a deficient number, since it is larger than the sum of its proper divisors (1).

88325981 is an equidigital number, since it uses as much as digits as its factorization.

88325981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 44.

The square root of 88325981 is about 9398.1903045214. The cubic root of 88325981 is about 445.3445650148.

The spelling of 88325981 in words is "eighty-eight million, three hundred twenty-five thousand, nine hundred eighty-one".