525260196 has 36 divisors (see below), whose sum is σ = 1340896284. Its totient is φ = 173352000.

The previous prime is 525260191. The next prime is 525260233. The reversal of 525260196 is 691062525.

It can be written as a sum of positive squares in 2 ways, for example, as 452157696 + 73102500 = 21264^2 + 8550^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 525260196.

It is not an unprimeable number, because it can be changed into a prime (525260191) 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 11 ways as a sum of consecutive naturals, for example, 68595 + ... + 75866.

It is an arithmetic number, because the mean of its divisors is an integer number (37247119).

Almost surely, 2^525260196 is an apocalyptic number.

It is an amenable number.

525260196 is an abundant number, since it is smaller than the sum of its proper divisors (815636088).

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

525260196 is a wasteful number, since it uses less digits than its factorization.

525260196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144572 (or 144567 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 525260196 is about 22918.5557136570. Note that the first 3 decimals coincide. The cubic root of 525260196 is about 806.8475732806.

The spelling of 525260196 in words is "five hundred twenty-five million, two hundred sixty thousand, one hundred ninety-six".