525506541 has 16 divisors (see below), whose sum is σ = 842918400. Its totient is φ = 284484528.

The previous prime is 525506537. The next prime is 525506561. The reversal of 525506541 is 145605525.

It is not a de Polignac number, because 525506541 - 2² = 525506537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525506561) 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 15 ways as a sum of consecutive naturals, for example, 658131 + ... + 658928.

It is an arithmetic number, because the mean of its divisors is an integer number (52682400).

Almost surely, 2^525506541 is an apocalyptic number.

It is an amenable number.

525506541 is a deficient number, since it is larger than the sum of its proper divisors (317411859).

525506541 is a wasteful number, since it uses less digits than its factorization.

525506541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317088.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 525506541 is about 22923.9294406522. The cubic root of 525506541 is about 806.9736896968.

The spelling of 525506541 in words is "five hundred twenty-five million, five hundred six thousand, five hundred forty-one".