525255543 has 8 divisors (see below), whose sum is σ = 778156400. Its totient is φ = 350170344.

The previous prime is 525255541. The next prime is 525255547. The reversal of 525255543 is 345552525.

525255543 is a `hidden beast` number, since 52 + 52 + 5 + 554 + 3 = 666.

It is not a de Polignac number, because 525255543 - 2¹ = 525255541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525255498 and 525255507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525255541) 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 7 ways as a sum of consecutive naturals, for example, 9726928 + ... + 9726981.

It is an arithmetic number, because the mean of its divisors is an integer number (97269550).

Almost surely, 2^525255543 is an apocalyptic number.

525255543 is a deficient number, since it is larger than the sum of its proper divisors (252900857).

525255543 is a wasteful number, since it uses less digits than its factorization.

525255543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19453918 (or 19453912 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 525255543 is about 22918.4542017999. The cubic root of 525255543 is about 806.8451907961.

The spelling of 525255543 in words is "five hundred twenty-five million, two hundred fifty-five thousand, five hundred forty-three".