541400331 has 4 divisors (see below), whose sum is σ = 721867112. Its totient is φ = 360933552.

The previous prime is 541400329. The next prime is 541400371. The reversal of 541400331 is 133004145.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 541400331 - 2¹ = 541400329 is a prime.

It is a super-2 number, since 2×541400331² = 586228636813819122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541400298 and 541400307.

It is not an unprimeable number, because it can be changed into a prime (541400371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90233386 + ... + 90233391.

It is an arithmetic number, because the mean of its divisors is an integer number (180466778).

Almost surely, 2^541400331 is an apocalyptic number.

541400331 is a deficient number, since it is larger than the sum of its proper divisors (180466781).

541400331 is a wasteful number, since it uses less digits than its factorization.

541400331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180466780.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 541400331 is about 23268.0108947886. The cubic root of 541400331 is about 815.0285816817.

Adding to 541400331 its reverse (133004145), we get a palindrome (674404476).

The spelling of 541400331 in words is "five hundred forty-one million, four hundred thousand, three hundred thirty-one".