530372821 has 8 divisors (see below), whose sum is σ = 609040800. Its totient is φ = 456780240.

The previous prime is 530372819. The next prime is 530372827. The reversal of 530372821 is 128273035.

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 530372821 - 2¹ = 530372819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530372827) 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, 1268626 + ... + 1269043.

It is an arithmetic number, because the mean of its divisors is an integer number (76130100).

Almost surely, 2^530372821 is an apocalyptic number.

It is an amenable number.

530372821 is a deficient number, since it is larger than the sum of its proper divisors (78667979).

530372821 is a wasteful number, since it uses less digits than its factorization.

530372821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537699.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 530372821 is about 23029.8245976820. The cubic root of 530372821 is about 809.4569448415.

The spelling of 530372821 in words is "five hundred thirty million, three hundred seventy-two thousand, eight hundred twenty-one".