530445109 has 2 divisors, whose sum is σ = 530445110. Its totient is φ = 530445108.

The previous prime is 530445107. The next prime is 530445127. The reversal of 530445109 is 901544035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515063025 + 15382084 = 22695^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 530445109 - 2¹ = 530445107 is a prime.

Together with 530445107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530445107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265222554 + 265222555.

It is an arithmetic number, because the mean of its divisors is an integer number (265222555).

Almost surely, 2^530445109 is an apocalyptic number.

It is an amenable number.

530445109 is a deficient number, since it is larger than the sum of its proper divisors (1).

530445109 is an equidigital number, since it uses as much as digits as its factorization.

530445109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 530445109 is about 23031.3939873382. The cubic root of 530445109 is about 809.4937185744.

The spelling of 530445109 in words is "five hundred thirty million, four hundred forty-five thousand, one hundred nine".