6632641 has 4 divisors (see below), whose sum is σ = 6655572. Its totient is φ = 6609712.

The previous prime is 6632627. The next prime is 6632651. The reversal of 6632641 is 1462366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1462366 = 2 ⋅731183.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 2310400 = 2079^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 6632641 - 2¹⁷ = 6501569 is a prime.

It is a Duffinian number.

6632641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6632651) 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, 11026 + ... + 11611.

It is an arithmetic number, because the mean of its divisors is an integer number (1663893).

Almost surely, 2^6632641 is an apocalyptic number.

It is an amenable number.

6632641 is a deficient number, since it is larger than the sum of its proper divisors (22931).

6632641 is a wasteful number, since it uses less digits than its factorization.

6632641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930.

The product of its digits is 5184, while the sum is 28.

The square root of 6632641 is about 2575.3914265602. The cubic root of 6632641 is about 187.8864657036.

The spelling of 6632641 in words is "six million, six hundred thirty-two thousand, six hundred forty-one".