601552321 has 4 divisors (see below), whose sum is σ = 602347732. Its totient is φ = 600756912.

The previous prime is 601552297. The next prime is 601552333. The reversal of 601552321 is 123255106.

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 140161921 + 461390400 = 11839^2 + 21480^2 .

It is a cyclic number.

It is not a de Polignac number, because 601552321 - 2¹⁵ = 601519553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601552351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396570 + ... + 398083.

It is an arithmetic number, because the mean of its divisors is an integer number (150586933).

Almost surely, 2^601552321 is an apocalyptic number.

It is an amenable number.

601552321 is a deficient number, since it is larger than the sum of its proper divisors (795411).

601552321 is an equidigital number, since it uses as much as digits as its factorization.

601552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795410.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 601552321 is about 24526.5635791074. The cubic root of 601552321 is about 844.1594157108.

The spelling of 601552321 in words is "six hundred one million, five hundred fifty-two thousand, three hundred twenty-one".