601313009 has 12 divisors (see below), whose sum is σ = 663864180. Its totient is φ = 544236000.

The previous prime is 601312993. The next prime is 601313039. The reversal of 601313009 is 900313106.

It can be written as a sum of positive squares in 2 ways, for example, as 545362609 + 55950400 = 23353^2 + 7480^2 .

It is not a de Polignac number, because 601313009 - 2⁴ = 601312993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601313039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16859 + ... + 38559.

It is an arithmetic number, because the mean of its divisors is an integer number (55322015).

Almost surely, 2^601313009 is an apocalyptic number.

It is an amenable number.

601313009 is a deficient number, since it is larger than the sum of its proper divisors (62551171).

601313009 is a wasteful number, since it uses less digits than its factorization.

601313009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21952 (or 21941 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 601313009 is about 24521.6844649792. The cubic root of 601313009 is about 844.0474585481.

The spelling of 601313009 in words is "six hundred one million, three hundred thirteen thousand, nine".