530501620 has 24 divisors (see below), whose sum is σ = 1215331488. Its totient is φ = 192909600.

The previous prime is 530501617. The next prime is 530501639. The reversal of 530501620 is 26105035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 530501591 and 530501600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205466 + ... + 1205905.

It is an arithmetic number, because the mean of its divisors is an integer number (50638812).

Almost surely, 2^530501620 is an apocalyptic number.

It is an amenable number.

530501620 is an abundant number, since it is smaller than the sum of its proper divisors (684829868).

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

530501620 is a wasteful number, since it uses less digits than its factorization.

530501620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411391 (or 2411389 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 530501620 is about 23032.6207801023. The cubic root of 530501620 is about 809.5224640402.

Adding to 530501620 its reverse (26105035), we get a palindrome (556606655).

The spelling of 530501620 in words is "five hundred thirty million, five hundred one thousand, six hundred twenty".