601280609 has 2 divisors, whose sum is σ = 601280610. Its totient is φ = 601280608.

The previous prime is 601280591. The next prime is 601280629. The reversal of 601280609 is 906082106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600397009 + 883600 = 24503^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 601280609 - 2¹² = 601276513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (601280629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300640304 + 300640305.

It is an arithmetic number, because the mean of its divisors is an integer number (300640305).

Almost surely, 2^601280609 is an apocalyptic number.

It is an amenable number.

601280609 is a deficient number, since it is larger than the sum of its proper divisors (1).

601280609 is an equidigital number, since it uses as much as digits as its factorization.

601280609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 601280609 is about 24521.0238163091. The cubic root of 601280609 is about 844.0322985963.

The spelling of 601280609 in words is "six hundred one million, two hundred eighty thousand, six hundred nine".