541432381 has 16 divisors (see below), whose sum is σ = 625996800. Its totient is φ = 458696448.

The previous prime is 541432361. The next prime is 541432387. The reversal of 541432381 is 183234145.

It is not a de Polignac number, because 541432381 - 2¹¹ = 541430333 is a prime.

It is a super-2 number, since 2×541432381² = 586298046390658322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541432387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378175 + ... + 379603.

It is an arithmetic number, because the mean of its divisors is an integer number (39124800).

Almost surely, 2^541432381 is an apocalyptic number.

It is an amenable number.

541432381 is a deficient number, since it is larger than the sum of its proper divisors (84564419).

541432381 is a wasteful number, since it uses less digits than its factorization.

541432381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028.

The product of its digits is 11520, while the sum is 31.

The square root of 541432381 is about 23268.6995983875. The cubic root of 541432381 is about 815.0446641436.

The spelling of 541432381 in words is "five hundred forty-one million, four hundred thirty-two thousand, three hundred eighty-one".