326041213 has 4 divisors (see below), whose sum is σ = 332192988. Its totient is φ = 319889440.

The previous prime is 326041201. The next prime is 326041237. The reversal of 326041213 is 312140623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312140623 = 757 ⋅412339.

It can be written as a sum of positive squares in 2 ways, for example, as 107060409 + 218980804 = 10347^2 + 14798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326041213 is a prime.

It is a super-2 number, since 2×326041213² = 212605745149022738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326041253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075808 + ... + 3075913.

It is an arithmetic number, because the mean of its divisors is an integer number (83048247).

Almost surely, 2^326041213 is an apocalyptic number.

It is an amenable number.

326041213 is a deficient number, since it is larger than the sum of its proper divisors (6151775).

326041213 is an equidigital number, since it uses as much as digits as its factorization.

326041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151774.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 326041213 is about 18056.6113376791. The cubic root of 326041213 is about 688.2678762682.

Adding to 326041213 its reverse (312140623), we get a palindrome (638181836).

The spelling of 326041213 in words is "three hundred twenty-six million, forty-one thousand, two hundred thirteen".