531207042 has 8 divisors (see below), whose sum is σ = 1062414096. Its totient is φ = 177069012.

The previous prime is 531207037. The next prime is 531207049. The reversal of 531207042 is 240702135.

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

531207042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (531207049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44267248 + ... + 44267259.

It is an arithmetic number, because the mean of its divisors is an integer number (132801762).

Almost surely, 2^531207042 is an apocalyptic number.

531207042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531207042 is a wasteful number, since it uses less digits than its factorization.

531207042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88534512.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 531207042 is about 23047.9292345321. The cubic root of 531207042 is about 809.8811195750.

Adding to 531207042 its reverse (240702135), we get a palindrome (771909177).

The spelling of 531207042 in words is "five hundred thirty-one million, two hundred seven thousand, forty-two".