531200317 has 4 divisors (see below), whose sum is σ = 532154556. Its totient is φ = 530246080.

The previous prime is 531200311. The next prime is 531200381. The reversal of 531200317 is 713002135.

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 120692196 + 410508121 = 10986^2 + 20261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531200317 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 (531200311) 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, 476284 + ... + 477397.

It is an arithmetic number, because the mean of its divisors is an integer number (133038639).

Almost surely, 2^531200317 is an apocalyptic number.

It is an amenable number.

531200317 is a deficient number, since it is larger than the sum of its proper divisors (954239).

531200317 is an equidigital number, since it uses as much as digits as its factorization.

531200317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954238.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 531200317 is about 23047.7833424388. The cubic root of 531200317 is about 809.8777019035.

The spelling of 531200317 in words is "five hundred thirty-one million, two hundred thousand, three hundred seventeen".