4972161 has 8 divisors (see below), whose sum is σ = 6644320. Its totient is φ = 3307392.

The previous prime is 4972159. The next prime is 4972189. The reversal of 4972161 is 1612794.

It is a happy number.

4972161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4972161 - 2¹ = 4972159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4972151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (830540).

Almost surely, 2^4972161 is an apocalyptic number.

It is an amenable number.

4972161 is a deficient number, since it is larger than the sum of its proper divisors (1672159).

4972161 is a wasteful number, since it uses less digits than its factorization.

4972161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its digits is 3024, while the sum is 30.

The square root of 4972161 is about 2229.8342987765. The cubic root of 4972161 is about 170.6796437039.

The spelling of 4972161 in words is "four million, nine hundred seventy-two thousand, one hundred sixty-one".