5672161 has 4 divisors (see below), whose sum is σ = 6187824. Its totient is φ = 5156500.

The previous prime is 5672159. The next prime is 5672167. The reversal of 5672161 is 1612765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5672161 - 2¹ = 5672159 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5672167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257815 + ... + 257836.

It is an arithmetic number, because the mean of its divisors is an integer number (1546956).

Almost surely, 2^5672161 is an apocalyptic number.

It is an amenable number.

5672161 is a deficient number, since it is larger than the sum of its proper divisors (515663).

5672161 is a wasteful number, since it uses less digits than its factorization.

5672161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515662.

The product of its digits is 2520, while the sum is 28.

The square root of 5672161 is about 2381.6299040783. The cubic root of 5672161 is about 178.3403097008.

The spelling of 5672161 in words is "five million, six hundred seventy-two thousand, one hundred sixty-one".