530021653 has 8 divisors (see below), whose sum is σ = 606006720. Its totient is φ = 454103520.

The previous prime is 530021647. The next prime is 530021669. The reversal of 530021653 is 356120035.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530021653 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 (530027653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578 + ... + 32596.

It is an arithmetic number, because the mean of its divisors is an integer number (75750840).

Almost surely, 2^530021653 is an apocalyptic number.

It is an amenable number.

530021653 is a deficient number, since it is larger than the sum of its proper divisors (75985067).

530021653 is a wasteful number, since it uses less digits than its factorization.

530021653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33467.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 530021653 is about 23022.1991347482. The cubic root of 530021653 is about 809.2782541012.

Adding to 530021653 its reverse (356120035), we get a palindrome (886141688).

The spelling of 530021653 in words is "five hundred thirty million, twenty-one thousand, six hundred fifty-three".