524135225 has 6 divisors (see below), whose sum is σ = 649927710. Its totient is φ = 419308160.

The previous prime is 524135219. The next prime is 524135239. The reversal of 524135225 is 522531425.

It can be written as a sum of positive squares in 3 ways, for example, as 99940009 + 424195216 = 9997^2 + 20596^2 .

It is not a de Polignac number, because 524135225 - 2¹² = 524131129 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10482680 + ... + 10482729.

It is an arithmetic number, because the mean of its divisors is an integer number (108321285).

Almost surely, 2^524135225 is an apocalyptic number.

It is an amenable number.

524135225 is a deficient number, since it is larger than the sum of its proper divisors (125792485).

524135225 is a wasteful number, since it uses less digits than its factorization.

524135225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20965419 (or 20965414 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 524135225 is about 22893.9997597624. Note that the first 3 decimals coincide. The cubic root of 524135225 is about 806.2711422054.

The spelling of 524135225 in words is "five hundred twenty-four million, one hundred thirty-five thousand, two hundred twenty-five".