2530142543 has 4 divisors (see below), whose sum is σ = 2663307960. Its totient is φ = 2396977128.

The previous prime is 2530142509. The next prime is 2530142579. The reversal of 2530142543 is 3452410352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2530142543 - 2⁶ = 2530142479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530142743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66582680 + ... + 66582717.

It is an arithmetic number, because the mean of its divisors is an integer number (665826990).

Almost surely, 2^2530142543 is an apocalyptic number.

2530142543 is a deficient number, since it is larger than the sum of its proper divisors (133165417).

2530142543 is a wasteful number, since it uses less digits than its factorization.

2530142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133165416.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2530142543 is about 50300.5222935110. The cubic root of 2530142543 is about 1362.6416617625.

Adding to 2530142543 its reverse (3452410352), we get a palindrome (5982552895).

The spelling of 2530142543 in words is "two billion, five hundred thirty million, one hundred forty-two thousand, five hundred forty-three".