6631007 has 4 divisors (see below), whose sum is σ = 6638280. Its totient is φ = 6623736.

The previous prime is 6630983. The next prime is 6631021. The reversal of 6631007 is 7001366.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6631007 - 2¹⁴ = 6614623 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 (6631067) 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, 2033 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (1659570).

Almost surely, 2^6631007 is an apocalyptic number.

6631007 is a deficient number, since it is larger than the sum of its proper divisors (7273).

6631007 is a wasteful number, since it uses less digits than its factorization.

6631007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 6631007 is about 2575.0741736890. The cubic root of 6631007 is about 187.8710353645.

The spelling of 6631007 in words is "six million, six hundred thirty-one thousand, seven".