6601373 has 4 divisors (see below), whose sum is σ = 6665568. Its totient is φ = 6537180.

The previous prime is 6601363. The next prime is 6601381. The reversal of 6601373 is 3731066.

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: 3731066 = 2 ⋅1865533.

It is a cyclic number.

It is not a de Polignac number, because 6601373 - 2²⁰ = 5552797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31943 + ... + 32148.

It is an arithmetic number, because the mean of its divisors is an integer number (1666392).

Almost surely, 2^6601373 is an apocalyptic number.

It is an amenable number.

6601373 is a deficient number, since it is larger than the sum of its proper divisors (64195).

6601373 is a wasteful number, since it uses less digits than its factorization.

6601373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64194.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 6601373 is about 2569.3137215996. The cubic root of 6601373 is about 187.5907519199.

The spelling of 6601373 in words is "six million, six hundred one thousand, three hundred seventy-three".