530978652 has 60 divisors (see below), whose sum is σ = 1394094240. Its totient is φ = 176226624.

The previous prime is 530978641. The next prime is 530978681. The reversal of 530978652 is 256879035.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 530978598 and 530978607.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 74008 + ... + 80864.

It is an arithmetic number, because the mean of its divisors is an integer number (23234904).

Almost surely, 2^530978652 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 530978652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697047120).

530978652 is an abundant number, since it is smaller than the sum of its proper divisors (863115588).

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

530978652 is a wasteful number, since it uses less digits than its factorization.

530978652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112 (or 7101 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 530978652 is about 23042.9740268048. The cubic root of 530978652 is about 809.7650347284.

The spelling of 530978652 in words is "five hundred thirty million, nine hundred seventy-eight thousand, six hundred fifty-two".