531050442 has 64 divisors (see below), whose sum is σ = 1168172544. Its totient is φ = 159952320.

The previous prime is 531050441. The next prime is 531050449. The reversal of 531050442 is 244050135.

It is not an unprimeable number, because it can be changed into a prime (531050441) 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 31 ways as a sum of consecutive naturals, for example, 1604217 + ... + 1604547.

It is an arithmetic number, because the mean of its divisors is an integer number (18252696).

Almost surely, 2^531050442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531050442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584086272).

531050442 is an abundant number, since it is smaller than the sum of its proper divisors (637122102).

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

531050442 is a wasteful number, since it uses less digits than its factorization.

531050442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 531050442 is about 23044.5317157889. The cubic root of 531050442 is about 809.8015273519.

The spelling of 531050442 in words is "five hundred thirty-one million, fifty thousand, four hundred forty-two".