531745973 has 8 divisors (see below), whose sum is σ = 580413600. Its totient is φ = 483132880.

The previous prime is 531745867. The next prime is 531745987. The reversal of 531745973 is 379547135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531745973 - 2¹⁴ = 531729589 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 (531765973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8303 + ... + 33651.

It is an arithmetic number, because the mean of its divisors is an integer number (72551700).

Almost surely, 2^531745973 is an apocalyptic number.

It is an amenable number.

531745973 is a deficient number, since it is larger than the sum of its proper divisors (48667627).

531745973 is a wasteful number, since it uses less digits than its factorization.

531745973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27267.

The product of its digits is 396900, while the sum is 44.

The square root of 531745973 is about 23059.6177982203. The cubic root of 531745973 is about 810.1549127070.

The spelling of 531745973 in words is "five hundred thirty-one million, seven hundred forty-five thousand, nine hundred seventy-three".