531442933 has 8 divisors (see below), whose sum is σ = 643090752. Its totient is φ = 428726976.

The previous prime is 531442903. The next prime is 531442937. The reversal of 531442933 is 339244135.

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 531442933 - 2¹⁷ = 531311861 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 (531442937) 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 7 ways as a sum of consecutive naturals, for example, 2232835 + ... + 2233072.

It is an arithmetic number, because the mean of its divisors is an integer number (80386344).

Almost surely, 2^531442933 is an apocalyptic number.

It is an amenable number.

531442933 is a deficient number, since it is larger than the sum of its proper divisors (111647819).

531442933 is a wasteful number, since it uses less digits than its factorization.

531442933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465931.

The product of its digits is 38880, while the sum is 34.

The square root of 531442933 is about 23053.0460677109. The cubic root of 531442933 is about 810.0009820646. Note that the first 3 decimals are identical.

The spelling of 531442933 in words is "five hundred thirty-one million, four hundred forty-two thousand, nine hundred thirty-three".