531107441 has 4 divisors (see below), whose sum is σ = 537830400. Its totient is φ = 524384484.

The previous prime is 531107431. The next prime is 531107453. The reversal of 531107441 is 144701135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144701135 = 5 ⋅28940227.

It is a cyclic number.

It is not a de Polignac number, because 531107441 - 2⁶ = 531107377 is a prime.

It is a super-2 number, since 2×531107441² = 564150227771136962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531107441.

It is not an unprimeable number, because it can be changed into a prime (531107431) 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, 3361361 + ... + 3361518.

It is an arithmetic number, because the mean of its divisors is an integer number (134457600).

Almost surely, 2^531107441 is an apocalyptic number.

It is an amenable number.

531107441 is a deficient number, since it is larger than the sum of its proper divisors (6722959).

531107441 is an equidigital number, since it uses as much as digits as its factorization.

531107441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722958.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 531107441 is about 23045.7683968229. The cubic root of 531107441 is about 809.8304990040.

Adding to 531107441 its reverse (144701135), we get a palindrome (675808576).

The spelling of 531107441 in words is "five hundred thirty-one million, one hundred seven thousand, four hundred forty-one".