531534461 has 4 divisors (see below), whose sum is σ = 562801212. Its totient is φ = 500267712.

The previous prime is 531534449. The next prime is 531534499. The reversal of 531534461 is 164435135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 221563225 + 309971236 = 14885^2 + 17606^2 .

It is a cyclic number.

It is not a de Polignac number, because 531534461 - 2²⁶ = 464425597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531534431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15633350 + ... + 15633383.

It is an arithmetic number, because the mean of its divisors is an integer number (140700303).

Almost surely, 2^531534461 is an apocalyptic number.

It is an amenable number.

531534461 is a deficient number, since it is larger than the sum of its proper divisors (31266751).

531534461 is a wasteful number, since it uses less digits than its factorization.

531534461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31266750.

The product of its digits is 21600, while the sum is 32.

The square root of 531534461 is about 23055.0311428981. The cubic root of 531534461 is about 810.0474803240.

Adding to 531534461 its reverse (164435135), we get a palindrome (695969596).

The spelling of 531534461 in words is "five hundred thirty-one million, five hundred thirty-four thousand, four hundred sixty-one".