530206045 has 4 divisors (see below), whose sum is σ = 636247260. Its totient is φ = 424164832.

The previous prime is 530206003. The next prime is 530206049. The reversal of 530206045 is 540602035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540602035 = 5 ⋅108120407.

It can be written as a sum of positive squares in 2 ways, for example, as 93354244 + 436851801 = 9662^2 + 20901^2 .

It is a cyclic number.

It is not a de Polignac number, because 530206045 - 2⁷ = 530205917 is a prime.

It is a super-2 number, since 2×530206045² = 562236900309084050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530206049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53020600 + ... + 53020609.

It is an arithmetic number, because the mean of its divisors is an integer number (159061815).

Almost surely, 2^530206045 is an apocalyptic number.

It is an amenable number.

530206045 is a deficient number, since it is larger than the sum of its proper divisors (106041215).

530206045 is a wasteful number, since it uses less digits than its factorization.

530206045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106041214.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 530206045 is about 23026.2034430342. The cubic root of 530206045 is about 809.3720912325.

The spelling of 530206045 in words is "five hundred thirty million, two hundred six thousand, forty-five".