4161541 has 4 divisors (see below), whose sum is σ = 4263084. Its totient is φ = 4060000.

The previous prime is 4161539. The next prime is 4161557. The reversal of 4161541 is 1451614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1451614 = 2 ⋅725807.

It can be written as a sum of positive squares in 2 ways, for example, as 1113025 + 3048516 = 1055^2 + 1746^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161541 - 2¹ = 4161539 is a prime.

It is a Duffinian number.

4161541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161581) 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, 50710 + ... + 50791.

It is an arithmetic number, because the mean of its divisors is an integer number (1065771).

Almost surely, 2^4161541 is an apocalyptic number.

4161541 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4161541 is a deficient number, since it is larger than the sum of its proper divisors (101543).

4161541 is a wasteful number, since it uses less digits than its factorization.

4161541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101542.

The product of its digits is 480, while the sum is 22.

The square root of 4161541 is about 2039.9855391644. The cubic root of 4161541 is about 160.8488866689.

The spelling of 4161541 in words is "four million, one hundred sixty-one thousand, five hundred forty-one".