601280321 has 2 divisors, whose sum is σ = 601280322. Its totient is φ = 601280320.

The previous prime is 601280279. The next prime is 601280333. The reversal of 601280321 is 123082106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359633296 + 241647025 = 18964^2 + 15545^2 .

It is a cyclic number.

It is not a de Polignac number, because 601280321 - 2¹⁴ = 601263937 is a prime.

It is not a weakly prime, because it can be changed into another prime (601280221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300640160 + 300640161.

It is an arithmetic number, because the mean of its divisors is an integer number (300640161).

Almost surely, 2^601280321 is an apocalyptic number.

It is an amenable number.

601280321 is a deficient number, since it is larger than the sum of its proper divisors (1).

601280321 is an equidigital number, since it uses as much as digits as its factorization.

601280321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 601280321 is about 24521.0179437967. The cubic root of 601280321 is about 844.0321638387.

The spelling of 601280321 in words is "six hundred one million, two hundred eighty thousand, three hundred twenty-one".