401327543 has 4 divisors (see below), whose sum is σ = 401367648. Its totient is φ = 401287440.

The previous prime is 401327513. The next prime is 401327561. The reversal of 401327543 is 345723104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 401327543 - 2²² = 397133239 is a prime.

It is a super-2 number, since 2×401327543² = 322127593540833698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401327513) 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, 8723 + ... + 29643.

It is an arithmetic number, because the mean of its divisors is an integer number (100341912).

Almost surely, 2^401327543 is an apocalyptic number.

401327543 is a deficient number, since it is larger than the sum of its proper divisors (40105).

401327543 is a wasteful number, since it uses less digits than its factorization.

401327543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40104.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 401327543 is about 20033.1610835634. The cubic root of 401327543 is about 737.6205180045.

The spelling of 401327543 in words is "four hundred one million, three hundred twenty-seven thousand, five hundred forty-three".