601273009 has 2 divisors, whose sum is σ = 601273010. Its totient is φ = 601273008.

The previous prime is 601272907. The next prime is 601273033. The reversal of 601273009 is 900372106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359936784 + 241336225 = 18972^2 + 15535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601273009 is a prime.

It is a super-3 number, since 3×601273009³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (601277009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300636504 + 300636505.

It is an arithmetic number, because the mean of its divisors is an integer number (300636505).

Almost surely, 2^601273009 is an apocalyptic number.

It is an amenable number.

601273009 is a deficient number, since it is larger than the sum of its proper divisors (1).

601273009 is an equidigital number, since it uses as much as digits as its factorization.

601273009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 601273009 is about 24520.8688467599. The cubic root of 601273009 is about 844.0287424793.

It can be divided in two parts, 60127 and 3009, that added together give a palindrome (63136).

The spelling of 601273009 in words is "six hundred one million, two hundred seventy-three thousand, nine".