530251920 has 400 divisors, whose sum is σ = 2067671232. Its totient is φ = 124830720.

The previous prime is 530251907. The next prime is 530251937. The reversal of 530251920 is 29152035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3064954 + ... + 3065126.

Almost surely, 2^530251920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530251920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033835616).

530251920 is an abundant number, since it is smaller than the sum of its proper divisors (1537419312).

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

530251920 is a wasteful number, since it uses less digits than its factorization.

530251920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 530251920 is about 23027.1995692051. The cubic root of 530251920 is about 809.3954336508.

It can be divided in two parts, 53025 and 1920, that added together give a palindrome (54945).

The spelling of 530251920 in words is "five hundred thirty million, two hundred fifty-one thousand, nine hundred twenty".