321675601 has 4 divisors (see below), whose sum is σ = 346419892. Its totient is φ = 296931312.

The previous prime is 321675583. The next prime is 321675659. The reversal of 321675601 is 106576123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78783376 + 242892225 = 8876^2 + 15585^2 .

It is a cyclic number.

It is not a de Polignac number, because 321675601 - 2⁹ = 321675089 is a prime.

It is a super-3 number, since 3×321675601³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (321675691) 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, 12372126 + ... + 12372151.

It is an arithmetic number, because the mean of its divisors is an integer number (86604973).

Almost surely, 2^321675601 is an apocalyptic number.

It is an amenable number.

321675601 is a deficient number, since it is larger than the sum of its proper divisors (24744291).

321675601 is a wasteful number, since it uses less digits than its factorization.

321675601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24744290.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 321675601 is about 17935.3171424427. The cubic root of 321675601 is about 685.1821498655.

The spelling of 321675601 in words is "three hundred twenty-one million, six hundred seventy-five thousand, six hundred one".