531480755 has 16 divisors (see below), whose sum is σ = 692090784. Its totient is φ = 389475840.

The previous prime is 531480737. The next prime is 531480779. The reversal of 531480755 is 557084135.

It is a de Polignac number, because none of the positive numbers 2^k-531480755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22694 + ... + 39723.

It is an arithmetic number, because the mean of its divisors is an integer number (43255674).

Almost surely, 2^531480755 is an apocalyptic number.

531480755 is a deficient number, since it is larger than the sum of its proper divisors (160610029).

531480755 is a wasteful number, since it uses less digits than its factorization.

531480755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62566.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 531480755 is about 23053.8663785492. The cubic root of 531480755 is about 810.0201971289.

It can be divided in two parts, 531480 and 755, that added together give a palindrome (532235).

The spelling of 531480755 in words is "five hundred thirty-one million, four hundred eighty thousand, seven hundred fifty-five".