531734487 has 4 divisors (see below), whose sum is σ = 708979320. Its totient is φ = 354489656.

The previous prime is 531734473. The next prime is 531734507. The reversal of 531734487 is 784437135.

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

It is a cyclic number.

It is not a de Polignac number, because 531734487 - 2⁴ = 531734471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531734417) 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, 88622412 + ... + 88622417.

It is an arithmetic number, because the mean of its divisors is an integer number (177244830).

Almost surely, 2^531734487 is an apocalyptic number.

531734487 is a deficient number, since it is larger than the sum of its proper divisors (177244833).

531734487 is a wasteful number, since it uses less digits than its factorization.

531734487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177244832.

The product of its digits is 282240, while the sum is 42.

The square root of 531734487 is about 23059.3687467806. The cubic root of 531734487 is about 810.1490794039.

The spelling of 531734487 in words is "five hundred thirty-one million, seven hundred thirty-four thousand, four hundred eighty-seven".