535500025 has 6 divisors (see below), whose sum is σ = 664020062. Its totient is φ = 428400000.

The previous prime is 535500013. The next prime is 535500083. The reversal of 535500025 is 520005535.

It can be written as a sum of positive squares in 3 ways, for example, as 98188281 + 437311744 = 9909^2 + 20912^2 .

It is not a de Polignac number, because 535500025 - 2⁹ = 535499513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 21420001 = 535500025 / (5 + 3 + 5 + 5 + 0 + 0 + 0 + 2 + 5).

It is a Duffinian number.

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, 10709976 + ... + 10710025.

Almost surely, 2^535500025 is an apocalyptic number.

It is an amenable number.

535500025 is a deficient number, since it is larger than the sum of its proper divisors (128520037).

535500025 is a wasteful number, since it uses less digits than its factorization.

535500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21420011 (or 21420006 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 535500025 is about 23140.8734709820. The cubic root of 535500025 is about 812.0569703086.

The spelling of 535500025 in words is "five hundred thirty-five million, five hundred thousand, twenty-five".