526630025 has 6 divisors (see below), whose sum is σ = 653021262. Its totient is φ = 421304000.

The previous prime is 526630021. The next prime is 526630031. The reversal of 526630025 is 520036625.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19321 + 526610704 = 139^2 + 22948^2 .

It is not a de Polignac number, because 526630025 - 2² = 526630021 is a prime.

It is a Duffinian number.

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 526630025.

It is not an unprimeable number, because it can be changed into a prime (526630021) 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 5 ways as a sum of consecutive naturals, for example, 10532576 + ... + 10532625.

It is an arithmetic number, because the mean of its divisors is an integer number (108836877).

Almost surely, 2^526630025 is an apocalyptic number.

It is an amenable number.

526630025 is a deficient number, since it is larger than the sum of its proper divisors (126391237).

526630025 is a wasteful number, since it uses less digits than its factorization.

526630025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065211 (or 21065206 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 526630025 is about 22948.4209696441. The cubic root of 526630025 is about 807.5483585374.

The spelling of 526630025 in words is "five hundred twenty-six million, six hundred thirty thousand, twenty-five".