530945909 has 8 divisors (see below), whose sum is σ = 574183680. Its totient is φ = 488050416.

The previous prime is 530945879. The next prime is 530945917. The reversal of 530945909 is 909549035.

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 530945909 - 2²⁴ = 514168693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530945909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530945999) 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, 82337 + ... + 88550.

It is an arithmetic number, because the mean of its divisors is an integer number (71772960).

Almost surely, 2^530945909 is an apocalyptic number.

It is an amenable number.

530945909 is a deficient number, since it is larger than the sum of its proper divisors (43237771).

530945909 is a wasteful number, since it uses less digits than its factorization.

530945909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171139.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 530945909 is about 23042.2635389842. The cubic root of 530945909 is about 809.7483895636.

The spelling of 530945909 in words is "five hundred thirty million, nine hundred forty-five thousand, nine hundred nine".