4180061 has 4 divisors (see below), whose sum is σ = 4184412. Its totient is φ = 4175712.

The previous prime is 4180051. The next prime is 4180067. The reversal of 4180061 is 1600814.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1600814 = 2 ⋅800407.

It can be written as a sum of positive squares in 2 ways, for example, as 3960100 + 219961 = 1990^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 4180061 - 2¹⁰ = 4179037 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 (4180067) 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, 26 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (1046103).

Almost surely, 2^4180061 is an apocalyptic number.

It is an amenable number.

4180061 is a deficient number, since it is larger than the sum of its proper divisors (4351).

4180061 is a wasteful number, since it uses less digits than its factorization.

4180061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 4180061 is about 2044.5197480093. The cubic root of 4180061 is about 161.0871408210.

Adding to 4180061 its reverse (1600814), we get a palindrome (5780875).

The spelling of 4180061 in words is "four million, one hundred eighty thousand, sixty-one".