326550601 has 4 divisors (see below), whose sum is σ = 351669892. Its totient is φ = 301431312.

The previous prime is 326550577. The next prime is 326550611. The reversal of 326550601 is 106055623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106055623 = 193 ⋅549511.

It can be written as a sum of positive squares in 2 ways, for example, as 194323600 + 132227001 = 13940^2 + 11499^2 .

It is not a de Polignac number, because 326550601 - 2⁹ = 326550089 is a prime.

It is a super-2 number, since 2×326550601² = 213270590026922402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326550601.

It is not an unprimeable number, because it can be changed into a prime (326550611) 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, 12559626 + ... + 12559651.

It is an arithmetic number, because the mean of its divisors is an integer number (87917473).

Almost surely, 2^326550601 is an apocalyptic number.

It is an amenable number.

326550601 is a deficient number, since it is larger than the sum of its proper divisors (25119291).

326550601 is a wasteful number, since it uses less digits than its factorization.

326550601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25119290.

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

The square root of 326550601 is about 18070.7111370859. The cubic root of 326550601 is about 688.6261264504.

The spelling of 326550601 in words is "three hundred twenty-six million, five hundred fifty thousand, six hundred one".