321041601 has 24 divisors (see below), whose sum is σ = 470471040. Its totient is φ = 210931776.

The previous prime is 321041561. The next prime is 321041621. The reversal of 321041601 is 106140123.

It is a happy number.

321041601 is a `hidden beast` number, since 3 + 21 + 0 + 41 + 601 = 666.

It is not a de Polignac number, because 321041601 - 2¹³ = 321033409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321041621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389676 + ... + 390498.

It is an arithmetic number, because the mean of its divisors is an integer number (19602960).

Almost surely, 2^321041601 is an apocalyptic number.

It is an amenable number.

321041601 is a deficient number, since it is larger than the sum of its proper divisors (149429439).

321041601 is a wasteful number, since it uses less digits than its factorization.

321041601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 321041601 is about 17917.6338002539. The cubic root of 321041601 is about 684.7317051848.

Adding to 321041601 its reverse (106140123), we get a palindrome (427181724).

The spelling of 321041601 in words is "three hundred twenty-one million, forty-one thousand, six hundred one".