326603081 has 6 divisors (see below), whose sum is σ = 379926090. Its totient is φ = 279945456.

The previous prime is 326603071. The next prime is 326603093. The reversal of 326603081 is 180306623.

It can be written as a sum of positive squares in only one way, i.e., 273604681 + 52998400 = 16541^2 + 7280^2 .

It is not a de Polignac number, because 326603081 - 2¹⁰ = 326602057 is a prime.

It is a super-2 number, since 2×326603081² = 213339145037385122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326603051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3332636 + ... + 3332733.

It is an arithmetic number, because the mean of its divisors is an integer number (63321015).

Almost surely, 2^326603081 is an apocalyptic number.

It is an amenable number.

326603081 is a deficient number, since it is larger than the sum of its proper divisors (53323009).

326603081 is an equidigital number, since it uses as much as digits as its factorization.

326603081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665383 (or 6665376 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 326603081 is about 18072.1631522073. The cubic root of 326603081 is about 688.6630142132.

The spelling of 326603081 in words is "three hundred twenty-six million, six hundred three thousand, eighty-one".