5631967 has 4 divisors (see below), whose sum is σ = 6143976. Its totient is φ = 5119960.

The previous prime is 5631949. The next prime is 5631973. The reversal of 5631967 is 7691365.

5631967 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5631967 - 2¹¹ = 5629919 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 (5631767) 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, 255988 + ... + 256009.

It is an arithmetic number, because the mean of its divisors is an integer number (1535994).

Almost surely, 2^5631967 is an apocalyptic number.

5631967 is a deficient number, since it is larger than the sum of its proper divisors (512009).

5631967 is a wasteful number, since it uses less digits than its factorization.

5631967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512008.

The product of its digits is 34020, while the sum is 37.

The square root of 5631967 is about 2373.1765631743. The cubic root of 5631967 is about 177.9180597480.

It can be divided in two parts, 56 and 31967, that added together give a palindrome (32023).

The spelling of 5631967 in words is "five million, six hundred thirty-one thousand, nine hundred sixty-seven".