327664253 has 8 divisors (see below), whose sum is σ = 394182720. Its totient is φ = 266073120.

The previous prime is 327664241. The next prime is 327664277. The reversal of 327664253 is 352466723.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 327664253 - 2¹⁰ = 327663229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327664453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231688 + ... + 1231953.

It is an arithmetic number, because the mean of its divisors is an integer number (49272840).

Almost surely, 2^327664253 is an apocalyptic number.

It is an amenable number.

327664253 is a deficient number, since it is larger than the sum of its proper divisors (66518467).

327664253 is a wasteful number, since it uses less digits than its factorization.

327664253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463667.

The product of its digits is 181440, while the sum is 38.

The square root of 327664253 is about 18101.4986396155. The cubic root of 327664253 is about 689.4080570516.

The spelling of 327664253 in words is "three hundred twenty-seven million, six hundred sixty-four thousand, two hundred fifty-three".