531024426 has 48 divisors (see below), whose sum is σ = 1231682400. Its totient is φ = 164843424.

The previous prime is 531024413. The next prime is 531024433. The reversal of 531024426 is 624420135.

It is a self number, because there is not a number n which added to its sum of digits gives 531024426.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7020 + ... + 33336.

It is an arithmetic number, because the mean of its divisors is an integer number (25660050).

Almost surely, 2^531024426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531024426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615841200).

531024426 is an abundant number, since it is smaller than the sum of its proper divisors (700657974).

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

531024426 is a wasteful number, since it uses less digits than its factorization.

531024426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26403 (or 26400 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 531024426 is about 23043.9672365676. The cubic root of 531024426 is about 809.7883031589.

The spelling of 531024426 in words is "five hundred thirty-one million, twenty-four thousand, four hundred twenty-six".