2549925143 has 4 divisors (see below), whose sum is σ = 2550101208. Its totient is φ = 2549749080.

The previous prime is 2549925097. The next prime is 2549925173. The reversal of 2549925143 is 3415299452.

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 2549925143 - 2¹⁰ = 2549924119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2549925094 and 2549925103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549925173) 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, 64148 + ... + 95993.

It is an arithmetic number, because the mean of its divisors is an integer number (637525302).

Almost surely, 2^2549925143 is an apocalyptic number.

2549925143 is a deficient number, since it is larger than the sum of its proper divisors (176065).

2549925143 is a wasteful number, since it uses less digits than its factorization.

2549925143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176064.

The product of its digits is 388800, while the sum is 44.

The square root of 2549925143 is about 50496.7834916245. The cubic root of 2549925143 is about 1366.1838393642.

The spelling of 2549925143 in words is "two billion, five hundred forty-nine million, nine hundred twenty-five thousand, one hundred forty-three".