531450973 has 8 divisors (see below), whose sum is σ = 537910560. Its totient is φ = 525020400.

The previous prime is 531450961. The next prime is 531450989. The reversal of 531450973 is 379054135.

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 531450973 - 2²¹ = 529353821 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 (531456973) 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, 30798 + ... + 44848.

It is an arithmetic number, because the mean of its divisors is an integer number (67238820).

Almost surely, 2^531450973 is an apocalyptic number.

It is an amenable number.

531450973 is a deficient number, since it is larger than the sum of its proper divisors (6459587).

531450973 is a wasteful number, since it uses less digits than its factorization.

531450973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 531450973 is about 23053.2204474776. The cubic root of 531450973 is about 810.0050667772.

The spelling of 531450973 in words is "five hundred thirty-one million, four hundred fifty thousand, nine hundred seventy-three".