525085730 has 32 divisors (see below), whose sum is σ = 1018879344. Its totient is φ = 193683456.

The previous prime is 525085727. The next prime is 525085733. The reversal of 525085730 is 37580525.

It is an interprime number because it is at equal distance from previous prime (525085727) and next prime (525085733).

It can be written as a sum of positive squares in 8 ways, for example, as 242206969 + 282878761 = 15563^2 + 16819^2 .

It is not an unprimeable number, because it can be changed into a prime (525085733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229874 + ... + 232146.

Almost surely, 2^525085730 is an apocalyptic number.

525085730 is a deficient number, since it is larger than the sum of its proper divisors (493793614).

525085730 is a wasteful number, since it uses less digits than its factorization.

525085730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 525085730 is about 22914.7491803860. The cubic root of 525085730 is about 806.7582314915.

The spelling of 525085730 in words is "five hundred twenty-five million, eighty-five thousand, seven hundred thirty".