530445121 has 4 divisors (see below), whose sum is σ = 535311700. Its totient is φ = 525578544.

The previous prime is 530445109. The next prime is 530445127. The reversal of 530445121 is 121544035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121544035 = 5 ⋅24308807.

It can be written as a sum of positive squares in 2 ways, for example, as 167961600 + 362483521 = 12960^2 + 19039^2 .

It is a cyclic number.

It is not a de Polignac number, because 530445121 - 2¹¹ = 530443073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530445127) 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, 2433126 + ... + 2433343.

It is an arithmetic number, because the mean of its divisors is an integer number (133827925).

Almost surely, 2^530445121 is an apocalyptic number.

It is an amenable number.

530445121 is a deficient number, since it is larger than the sum of its proper divisors (4866579).

530445121 is a wasteful number, since it uses less digits than its factorization.

530445121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866578.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 530445121 is about 23031.3942478522. The cubic root of 530445121 is about 809.4937246787.

Adding to 530445121 its reverse (121544035), we get a palindrome (651989156).

The spelling of 530445121 in words is "five hundred thirty million, four hundred forty-five thousand, one hundred twenty-one".