524272905 has 40 divisors (see below), whose sum is σ = 1012110792. Its totient is φ = 258100992.

The previous prime is 524272897. The next prime is 524272907. The reversal of 524272905 is 509272425.

It is a happy number.

524272905 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50296464 + 473976441 = 7092^2 + 21771^2 .

It is not a de Polignac number, because 524272905 - 2³ = 524272897 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 524272905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524272907) 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 39 ways as a sum of consecutive naturals, for example, 44524 + ... + 55053.

Almost surely, 2^524272905 is an apocalyptic number.

It is an amenable number.

524272905 is a deficient number, since it is larger than the sum of its proper divisors (487837887).

524272905 is a wasteful number, since it uses less digits than its factorization.

524272905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99607 (or 99598 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 524272905 is about 22897.0064637280. The cubic root of 524272905 is about 806.3417332076.

The spelling of 524272905 in words is "five hundred twenty-four million, two hundred seventy-two thousand, nine hundred five".