2500535143 has 4 divisors (see below), whose sum is σ = 2500836520. Its totient is φ = 2500233768.

The previous prime is 2500535129. The next prime is 2500535159. The reversal of 2500535143 is 3415350052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500535143 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 (2500532143) 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, 137880 + ... + 154957.

It is an arithmetic number, because the mean of its divisors is an integer number (625209130).

Almost surely, 2^2500535143 is an apocalyptic number.

2500535143 is a deficient number, since it is larger than the sum of its proper divisors (301377).

2500535143 is an equidigital number, since it uses as much as digits as its factorization.

2500535143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301376.

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

The square root of 2500535143 is about 50005.3511436526. The cubic root of 2500535143 is about 1357.3056414943.

Adding to 2500535143 its reverse (3415350052), we get a palindrome (5915885195).

The spelling of 2500535143 in words is "two billion, five hundred million, five hundred thirty-five thousand, one hundred forty-three".