525543204543 has 16 divisors (see below), whose sum is σ = 828442490880. Its totient is φ = 289954871136.

The previous prime is 525543204539. The next prime is 525543204553. The reversal of 525543204543 is 345402345525.

It is not a de Polignac number, because 525543204543 - 2² = 525543204539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525543204495 and 525543204504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525543204503) 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, 431479855 + ... + 431481072.

It is an arithmetic number, because the mean of its divisors is an integer number (51777655680).

Almost surely, 2^525543204543 is an apocalyptic number.

525543204543 is a deficient number, since it is larger than the sum of its proper divisors (302899286337).

525543204543 is a wasteful number, since it uses less digits than its factorization.

525543204543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862960966.

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 525543204543 in words is "five hundred twenty-five billion, five hundred forty-three million, two hundred four thousand, five hundred forty-three".