530243212154 has 4 divisors (see below), whose sum is σ = 795364818234. Its totient is φ = 265121606076.

The previous prime is 530243212117. The next prime is 530243212159. The reversal of 530243212154 is 451212342035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 508390390225 + 21852821929 = 713015^2 + 147827^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530243212154.

It is not an unprimeable number, because it can be changed into a prime (530243212159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132560803037 + ... + 132560803040.

Almost surely, 2^530243212154 is an apocalyptic number.

530243212154 is a deficient number, since it is larger than the sum of its proper divisors (265121606080).

530243212154 is a wasteful number, since it uses less digits than its factorization.

530243212154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265121606079.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 530243212154 its reverse (451212342035), we get a palindrome (981455554189).

The spelling of 530243212154 in words is "five hundred thirty billion, two hundred forty-three million, two hundred twelve thousand, one hundred fifty-four".