4161481 has 8 divisors (see below), whose sum is σ = 4479624. Its totient is φ = 3851520.

The previous prime is 4161463. The next prime is 4161499. The reversal of 4161481 is 1841614.

It is an interprime number because it is at equal distance from previous prime (4161463) and next prime (4161499).

It can be written as a sum of positive squares in 4 ways, for example, as 705600 + 3455881 = 840^2 + 1859^2 .

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

It is not a de Polignac number, because 4161481 - 2⁹ = 4160969 is a prime.

It is a super-2 number, since 2×4161481² = 34635848226722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (559953).

Almost surely, 2^4161481 is an apocalyptic number.

It is an amenable number.

4161481 is a deficient number, since it is larger than the sum of its proper divisors (318143).

4161481 is a wasteful number, since it uses less digits than its factorization.

4161481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its digits is 768, while the sum is 25.

The square root of 4161481 is about 2039.9708331248. The cubic root of 4161481 is about 160.8481136395.

The spelling of 4161481 in words is "four million, one hundred sixty-one thousand, four hundred eighty-one".