526243725 has 72 divisors (see below), whose sum is σ = 1100286720. Its totient is φ = 235416960.

The previous prime is 526243723. The next prime is 526243763. The reversal of 526243725 is 527342625.

526243725 is a `hidden beast` number, since 5 + 2 + 624 + 3 + 7 + 25 = 666.

It is not a de Polignac number, because 526243725 - 2¹ = 526243723 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 526243725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526243723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70471 + ... + 77579.

It is an arithmetic number, because the mean of its divisors is an integer number (15281760).

Almost surely, 2^526243725 is an apocalyptic number.

It is an amenable number.

526243725 is an abundant number, since it is smaller than the sum of its proper divisors (574042995).

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

526243725 is a wasteful number, since it uses less digits than its factorization.

526243725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7171 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 526243725 is about 22940.0027244985. The cubic root of 526243725 is about 807.3508560381.

The spelling of 526243725 in words is "five hundred twenty-six million, two hundred forty-three thousand, seven hundred twenty-five".