531254130 has 96 divisors (see below), whose sum is σ = 1446971904. Its totient is φ = 124608000.

The previous prime is 531254111. The next prime is 531254137. The reversal of 531254130 is 31452135.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 531254130.

It is not an unprimeable number, because it can be changed into a prime (531254137) 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 47 ways as a sum of consecutive naturals, for example, 110170 + ... + 114890.

It is an arithmetic number, because the mean of its divisors is an integer number (15072624).

Almost surely, 2^531254130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531254130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723485952).

531254130 is an abundant number, since it is smaller than the sum of its proper divisors (915717774).

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

531254130 is a wasteful number, since it uses less digits than its factorization.

531254130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784 (or 4773 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 531254130 is about 23048.9507353372. The cubic root of 531254130 is about 809.9050490742.

The spelling of 531254130 in words is "five hundred thirty-one million, two hundred fifty-four thousand, one hundred thirty".