530155243 has 4 divisors (see below), whose sum is σ = 530269168. Its totient is φ = 530041320.

The previous prime is 530155229. The next prime is 530155259. The reversal of 530155243 is 342551035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342551035 = 5 ⋅68510207.

It is a cyclic number.

It is not a de Polignac number, because 530155243 - 2⁹ = 530154731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530159243) 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, 49671 + ... + 59392.

It is an arithmetic number, because the mean of its divisors is an integer number (132567292).

Almost surely, 2^530155243 is an apocalyptic number.

530155243 is a deficient number, since it is larger than the sum of its proper divisors (113925).

530155243 is a wasteful number, since it uses less digits than its factorization.

530155243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113924.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 530155243 is about 23025.1002820835. The cubic root of 530155243 is about 809.3462402546.

The spelling of 530155243 in words is "five hundred thirty million, one hundred fifty-five thousand, two hundred forty-three".