601665041 has 4 divisors (see below), whose sum is σ = 603236352. Its totient is φ = 600093732.

The previous prime is 601665011. The next prime is 601665079. The reversal of 601665041 is 140566106.

601665041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140566106 = 2 ⋅70283053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601665041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 601664995 and 601665013.

It is not an unprimeable number, because it can be changed into a prime (601665011) 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, 785081 + ... + 785846.

It is an arithmetic number, because the mean of its divisors is an integer number (150809088).

Almost surely, 2^601665041 is an apocalyptic number.

It is an amenable number.

601665041 is a deficient number, since it is larger than the sum of its proper divisors (1571311).

601665041 is a wasteful number, since it uses less digits than its factorization.

601665041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571310.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 601665041 is about 24528.8613881688. The cubic root of 601665041 is about 844.2121391416.

The spelling of 601665041 in words is "six hundred one million, six hundred sixty-five thousand, forty-one".