6693601 has 4 divisors (see below), whose sum is σ = 6768900. Its totient is φ = 6618304.

The previous prime is 6693593. The next prime is 6693607. The reversal of 6693601 is 1063966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1063966 = 2 ⋅531983.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 2689600 = 2001^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 6693601 - 2³ = 6693593 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6693607) 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, 37516 + ... + 37693.

It is an arithmetic number, because the mean of its divisors is an integer number (1692225).

Almost surely, 2^6693601 is an apocalyptic number.

It is an amenable number.

6693601 is a deficient number, since it is larger than the sum of its proper divisors (75299).

6693601 is an equidigital number, since it uses as much as digits as its factorization.

6693601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75298.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6693601 is about 2587.1994511440. The cubic root of 6693601 is about 188.4603269799.

The spelling of 6693601 in words is "six million, six hundred ninety-three thousand, six hundred one".