2564530143 has 16 divisors (see below), whose sum is σ = 3917195520. Its totient is φ = 1461943296.

The previous prime is 2564530127. The next prime is 2564530151. The reversal of 2564530143 is 3410354652.

It is not a de Polignac number, because 2564530143 - 2⁴ = 2564530127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564530183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136930 + ... + 154527.

It is an arithmetic number, because the mean of its divisors is an integer number (244824720).

Almost surely, 2^2564530143 is an apocalyptic number.

2564530143 is a deficient number, since it is larger than the sum of its proper divisors (1352665377).

2564530143 is a wasteful number, since it uses less digits than its factorization.

2564530143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291886.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2564530143 is about 50641.1901815113. The cubic root of 2564530143 is about 1368.7872022081.

Adding to 2564530143 its reverse (3410354652), we get a palindrome (5974884795).

The spelling of 2564530143 in words is "two billion, five hundred sixty-four million, five hundred thirty thousand, one hundred forty-three".