2575256543 has 8 divisors (see below), whose sum is σ = 2733257520. Its totient is φ = 2417979520.

The previous prime is 2575256533. The next prime is 2575256569. The reversal of 2575256543 is 3456525752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2575256543 - 2¹⁶ = 2575191007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2575256494 and 2575256503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575256503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173648 + ... + 187893.

It is an arithmetic number, because the mean of its divisors is an integer number (341657190).

Almost surely, 2^2575256543 is an apocalyptic number.

2575256543 is a deficient number, since it is larger than the sum of its proper divisors (158000977).

2575256543 is a wasteful number, since it uses less digits than its factorization.

2575256543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361977.

The product of its digits is 1260000, while the sum is 44.

The square root of 2575256543 is about 50746.9855557943. The cubic root of 2575256543 is about 1370.6929101809.

The spelling of 2575256543 in words is "two billion, five hundred seventy-five million, two hundred fifty-six thousand, five hundred forty-three".