4161019 has 4 divisors (see below), whose sum is σ = 4380040. Its totient is φ = 3942000.

The previous prime is 4161013. The next prime is 4161023. The reversal of 4161019 is 9101614.

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 4161019 - 2³ = 4161011 is a prime.

It is a super-2 number, since 2×4161019² = 34628158236722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109482 + ... + 109519.

It is an arithmetic number, because the mean of its divisors is an integer number (1095010).

Almost surely, 2^4161019 is an apocalyptic number.

4161019 is a deficient number, since it is larger than the sum of its proper divisors (219021).

4161019 is a wasteful number, since it uses less digits than its factorization.

4161019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219020.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 4161019 is about 2039.8575930687. The cubic root of 4161019 is about 160.8421610649.

The spelling of 4161019 in words is "four million, one hundred sixty-one thousand, nineteen".