326556001 has 8 divisors (see below), whose sum is σ = 341973504. Its totient is φ = 311240160.

The previous prime is 326555981. The next prime is 326556017. The reversal of 326556001 is 100655623.

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 326556001 - 2¹⁷ = 326424929 is a prime.

It is a super-2 number, since 2×326556001² = 213277643578224002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326556031) 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, 18801 + ... + 31726.

It is an arithmetic number, because the mean of its divisors is an integer number (42746688).

Almost surely, 2^326556001 is an apocalyptic number.

It is an amenable number.

326556001 is a deficient number, since it is larger than the sum of its proper divisors (15417503).

326556001 is a wasteful number, since it uses less digits than its factorization.

326556001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 326556001 is about 18070.8605495145. The cubic root of 326556001 is about 688.6299222487.

The spelling of 326556001 in words is "three hundred twenty-six million, five hundred fifty-six thousand, one".