601203641 has 4 divisors (see below), whose sum is σ = 601264500. Its totient is φ = 601142784.

The previous prime is 601203637. The next prime is 601203653. The reversal of 601203641 is 146302106.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 331094416 + 270109225 = 18196^2 + 16435^2 .

It is a cyclic number.

It is not a de Polignac number, because 601203641 - 2² = 601203637 is a prime.

It is a super-2 number, since 2×601203641² = 722891635903313762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601203041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11816 + ... + 36633.

It is an arithmetic number, because the mean of its divisors is an integer number (150316125).

Almost surely, 2^601203641 is an apocalyptic number.

It is an amenable number.

601203641 is a deficient number, since it is larger than the sum of its proper divisors (60859).

601203641 is a wasteful number, since it uses less digits than its factorization.

601203641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60858.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 601203641 is about 24519.4543373216. The cubic root of 601203641 is about 843.9962831047.

Adding to 601203641 its reverse (146302106), we get a palindrome (747505747).

The spelling of 601203641 in words is "six hundred one million, two hundred three thousand, six hundred forty-one".