5665067231 has 4 divisors (see below), whose sum is σ = 5669118000. Its totient is φ = 5661016464.

The previous prime is 5665067183. The next prime is 5665067257. The reversal of 5665067231 is 1327605665.

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 5665067231 - 2⁶ = 5665067167 is a prime.

It is a super-2 number, since 2×5665067231² = 64185973463500014722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665067731) 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, 2023286 + ... + 2026083.

It is an arithmetic number, because the mean of its divisors is an integer number (1417279500).

Almost surely, 2^5665067231 is an apocalyptic number.

5665067231 is a deficient number, since it is larger than the sum of its proper divisors (4050769).

5665067231 is a wasteful number, since it uses less digits than its factorization.

5665067231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050768.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 5665067231 is about 75266.6408909020. The cubic root of 5665067231 is about 1782.6593283222.

The spelling of 5665067231 in words is "five billion, six hundred sixty-five million, sixty-seven thousand, two hundred thirty-one".