530251420 has 72 divisors (see below), whose sum is σ = 1191405600. Its totient is φ = 198190080.

The previous prime is 530251417. The next prime is 530251433. The reversal of 530251420 is 24152035.

It is a junction number, because it is equal to n+sod(n) for n = 530251391 and 530251400.

It is a congruent number.

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, 1149990 + ... + 1150450.

It is an arithmetic number, because the mean of its divisors is an integer number (16547300).

Almost surely, 2^530251420 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 530251420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595702800).

530251420 is an abundant number, since it is smaller than the sum of its proper divisors (661154180).

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

530251420 is a wasteful number, since it uses less digits than its factorization.

530251420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 530251420 is about 23027.1887124764. The cubic root of 530251420 is about 809.3951792448.

It can be divided in two parts, 53025 and 1420, that added together give a palindrome (54445).

The spelling of 530251420 in words is "five hundred thirty million, two hundred fifty-one thousand, four hundred twenty".