601501321 has 4 divisors (see below), whose sum is σ = 601555972. Its totient is φ = 601446672.

The previous prime is 601501319. The next prime is 601501331. The reversal of 601501321 is 123105106.

601501321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 347449600 + 254051721 = 18640^2 + 15939^2 .

It is a cyclic number.

It is not a de Polignac number, because 601501321 - 2¹ = 601501319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601501301) 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, 4410 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (150388993).

Almost surely, 2^601501321 is an apocalyptic number.

It is an amenable number.

601501321 is a deficient number, since it is larger than the sum of its proper divisors (54651).

601501321 is a wasteful number, since it uses less digits than its factorization.

601501321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54650.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 601501321 is about 24525.5238680033. The cubic root of 601501321 is about 844.1355589071.

Adding to 601501321 its reverse (123105106), we get a palindrome (724606427).

The spelling of 601501321 in words is "six hundred one million, five hundred one thousand, three hundred twenty-one".