601231217 has 2 divisors, whose sum is σ = 601231218. Its totient is φ = 601231216.

The previous prime is 601231187. The next prime is 601231237. The reversal of 601231217 is 712132106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514200976 + 87030241 = 22676^2 + 9329^2 .

It is a cyclic number.

It is not a de Polignac number, because 601231217 - 2²⁸ = 332795761 is a prime.

It is a super-2 number, since 2×601231217² = 722957952590602178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 601231192 and 601231201.

It is not a weakly prime, because it can be changed into another prime (601231237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300615608 + 300615609.

It is an arithmetic number, because the mean of its divisors is an integer number (300615609).

Almost surely, 2^601231217 is an apocalyptic number.

It is an amenable number.

601231217 is a deficient number, since it is larger than the sum of its proper divisors (1).

601231217 is an equidigital number, since it uses as much as digits as its factorization.

601231217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 601231217 is about 24520.0166598638. The cubic root of 601231217 is about 844.0091870439.

The spelling of 601231217 in words is "six hundred one million, two hundred thirty-one thousand, two hundred seventeen".