530525821 has 8 divisors (see below), whose sum is σ = 614621504. Its totient is φ = 448506720.

The previous prime is 530525777. The next prime is 530525833. The reversal of 530525821 is 128525035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530525821 - 2¹⁹ = 530001533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530525861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518595 + ... + 519616.

It is an arithmetic number, because the mean of its divisors is an integer number (76827688).

Almost surely, 2^530525821 is an apocalyptic number.

It is an amenable number.

530525821 is a deficient number, since it is larger than the sum of its proper divisors (84095683).

530525821 is a wasteful number, since it uses less digits than its factorization.

530525821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038291.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 530525821 is about 23033.1461376860. The cubic root of 530525821 is about 809.5347737451.

The spelling of 530525821 in words is "five hundred thirty million, five hundred twenty-five thousand, eight hundred twenty-one".