530505445 has 8 divisors (see below), whose sum is σ = 653812344. Its totient is φ = 412933824.

The previous prime is 530505427. The next prime is 530505457. The reversal of 530505445 is 544505035.

It can be written as a sum of positive squares in 4 ways, for example, as 131744484 + 398760961 = 11478^2 + 19969^2 .

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 530505445 - 2⁵ = 530505413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433614 + ... + 1433983.

It is an arithmetic number, because the mean of its divisors is an integer number (81726543).

Almost surely, 2^530505445 is an apocalyptic number.

It is an amenable number.

530505445 is a deficient number, since it is larger than the sum of its proper divisors (123306899).

530505445 is a wasteful number, since it uses less digits than its factorization.

530505445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867639.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 530505445 is about 23032.7038143593. The cubic root of 530505445 is about 809.5244096302.

The spelling of 530505445 in words is "five hundred thirty million, five hundred five thousand, four hundred forty-five".