326412461 has 4 divisors (see below), whose sum is σ = 345613212. Its totient is φ = 307211712.

The previous prime is 326412451. The next prime is 326412467. The reversal of 326412461 is 164214623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164214623 = 61 ⋅2692043.

It can be written as a sum of positive squares in 2 ways, for example, as 265494436 + 60918025 = 16294^2 + 7805^2 .

It is a cyclic number.

It is not a de Polignac number, because 326412461 - 2⁶ = 326412397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326412467) 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, 9600350 + ... + 9600383.

It is an arithmetic number, because the mean of its divisors is an integer number (86403303).

Almost surely, 2^326412461 is an apocalyptic number.

It is an amenable number.

326412461 is a deficient number, since it is larger than the sum of its proper divisors (19200751).

326412461 is a wasteful number, since it uses less digits than its factorization.

326412461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19200750.

The product of its digits is 6912, while the sum is 29.

The square root of 326412461 is about 18066.8885256981. Note that the first 3 decimals coincide. The cubic root of 326412461 is about 688.5290100773.

The spelling of 326412461 in words is "three hundred twenty-six million, four hundred twelve thousand, four hundred sixty-one".