530812445 has 16 divisors (see below), whose sum is σ = 655370352. Its totient is φ = 412477440.

The previous prime is 530812441. The next prime is 530812483. The reversal of 530812445 is 544218035.

It can be written as a sum of positive squares in 8 ways, for example, as 310675876 + 220136569 = 17626^2 + 14837^2 .

It is not a de Polignac number, because 530812445 - 2² = 530812441 is a prime.

It is a super-4 number, since 4×530812445⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530812441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42209 + ... + 53321.

It is an arithmetic number, because the mean of its divisors is an integer number (40960647).

Almost surely, 2^530812445 is an apocalyptic number.

It is an amenable number.

530812445 is a deficient number, since it is larger than the sum of its proper divisors (124557907).

530812445 is a wasteful number, since it uses less digits than its factorization.

530812445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11392.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 530812445 is about 23039.3672873193. The cubic root of 530812445 is about 809.6805349956.

The spelling of 530812445 in words is "five hundred thirty million, eight hundred twelve thousand, four hundred forty-five".