525642201 has 24 divisors (see below), whose sum is σ = 913398720. Its totient is φ = 284557536.

The previous prime is 525642199. The next prime is 525642203. The reversal of 525642201 is 102246525.

It is an interprime number because it is at equal distance from previous prime (525642199) and next prime (525642203).

It is not a de Polignac number, because 525642201 - 2¹ = 525642199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525642203) 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 23 ways as a sum of consecutive naturals, for example, 218370 + ... + 220763.

It is an arithmetic number, because the mean of its divisors is an integer number (38058280).

Almost surely, 2^525642201 is an apocalyptic number.

It is an amenable number.

525642201 is a deficient number, since it is larger than the sum of its proper divisors (387756519).

525642201 is a wasteful number, since it uses less digits than its factorization.

525642201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439165 (or 439162 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 525642201 is about 22926.8881665175. Note that the first 3 decimals coincide. The cubic root of 525642201 is about 807.0431240573.

Adding to 525642201 its reverse (102246525), we get a palindrome (627888726).

The spelling of 525642201 in words is "five hundred twenty-five million, six hundred forty-two thousand, two hundred one".