601403601 has 4 divisors (see below), whose sum is σ = 801871472. Its totient is φ = 400935732.

The previous prime is 601403597. The next prime is 601403603. The reversal of 601403601 is 106304106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 601403601 - 2² = 601403597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601403603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100233931 + ... + 100233936.

It is an arithmetic number, because the mean of its divisors is an integer number (200467868).

Almost surely, 2^601403601 is an apocalyptic number.

It is an amenable number.

601403601 is a deficient number, since it is larger than the sum of its proper divisors (200467871).

601403601 is a wasteful number, since it uses less digits than its factorization.

601403601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200467870.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 601403601 is about 24523.5315768345. The cubic root of 601403601 is about 844.0898436324.

Adding to 601403601 its reverse (106304106), we get a palindrome (707707707).

The spelling of 601403601 in words is "six hundred one million, four hundred three thousand, six hundred one".