531042001 has 8 divisors (see below), whose sum is σ = 638847680. Its totient is φ = 431221968.

The previous prime is 531041993. The next prime is 531042013. The reversal of 531042001 is 100240135.

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 531042001 - 2³ = 531041993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531042041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1996266 + ... + 1996531.

It is an arithmetic number, because the mean of its divisors is an integer number (79855960).

Almost surely, 2^531042001 is an apocalyptic number.

It is an amenable number.

531042001 is a deficient number, since it is larger than the sum of its proper divisors (107805679).

531042001 is a wasteful number, since it uses less digits than its factorization.

531042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992823.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 531042001 is about 23044.3485696602. The cubic root of 531042001 is about 809.7972367545.

Adding to 531042001 its reverse (100240135), we get a palindrome (631282136).

The spelling of 531042001 in words is "five hundred thirty-one million, forty-two thousand, one".