601221163 has 2 divisors, whose sum is σ = 601221164. Its totient is φ = 601221162.

The previous prime is 601221121. The next prime is 601221193. The reversal of 601221163 is 361122106.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601221163 is a prime.

It is a super-2 number, since 2×601221163² = 722933773678145138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (601221193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300610581 + 300610582.

It is an arithmetic number, because the mean of its divisors is an integer number (300610582).

Almost surely, 2^601221163 is an apocalyptic number.

601221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

601221163 is an equidigital number, since it uses as much as digits as its factorization.

601221163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 601221163 is about 24519.8116428328. The cubic root of 601221163 is about 844.0044824114.

Adding to 601221163 its reverse (361122106), we get a palindrome (962343269).

The spelling of 601221163 in words is "six hundred one million, two hundred twenty-one thousand, one hundred sixty-three".