525577668 has 48 divisors (see below), whose sum is σ = 1528955904. Its totient is φ = 136513440.

The previous prime is 525577667. The next prime is 525577699. The reversal of 525577668 is 866775525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525577668.

It is not an unprimeable number, because it can be changed into a prime (525577667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283480 + ... + 285327.

It is an arithmetic number, because the mean of its divisors is an integer number (31853248).

Almost surely, 2^525577668 is an apocalyptic number.

It is an amenable number.

525577668 is an abundant number, since it is smaller than the sum of its proper divisors (1003378236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525577668 is a wasteful number, since it uses less digits than its factorization.

525577668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568832 (or 568830 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 51.

The square root of 525577668 is about 22925.4807583178. The cubic root of 525577668 is about 807.0100958585.

The spelling of 525577668 in words is "five hundred twenty-five million, five hundred seventy-seven thousand, six hundred sixty-eight".