4052161 has 4 divisors (see below), whose sum is σ = 4059072. Its totient is φ = 4045252.

The previous prime is 4052107. The next prime is 4052173. The reversal of 4052161 is 1612504.

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 4052161 - 2¹⁷ = 3921089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4052101) 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, 2485 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (1014768).

Almost surely, 2^4052161 is an apocalyptic number.

It is an amenable number.

4052161 is a deficient number, since it is larger than the sum of its proper divisors (6911).

4052161 is an equidigital number, since it uses as much as digits as its factorization.

4052161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4052161 is about 2012.9980129151. The cubic root of 4052161 is about 159.4271310175.

Adding to 4052161 its reverse (1612504), we get a palindrome (5664665).

The spelling of 4052161 in words is "four million, fifty-two thousand, one hundred sixty-one".