531401441 has 8 divisors (see below), whose sum is σ = 540523200. Its totient is φ = 522344592.

The previous prime is 531401413. The next prime is 531401527. The reversal of 531401441 is 144104135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531401441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531401341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (67565400).

Almost surely, 2^531401441 is an apocalyptic number.

It is an amenable number.

531401441 is a deficient number, since it is larger than the sum of its proper divisors (9121759).

531401441 is a wasteful number, since it uses less digits than its factorization.

531401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 531401441 is about 23052.1461256864. The cubic root of 531401441 is about 809.9799014471.

Adding to 531401441 its reverse (144104135), we get a palindrome (675505576).

The spelling of 531401441 in words is "five hundred thirty-one million, four hundred one thousand, four hundred forty-one".