525201 has 4 divisors (see below), whose sum is σ = 700272. Its totient is φ = 350132.
The previous prime is 525199. The next prime is 525209. The reversal of 525201 is 102525.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 525201 - 21 = 525199 is a prime.
It is a D-number.
It is not an unprimeable number, because it can be changed into a prime (525209) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87531 + ... + 87536.
It is an arithmetic number, because the mean of its divisors is an integer number (175068).
2525201 is an apocalyptic number.
It is an amenable number.
525201 is a deficient number, since it is larger than the sum of its proper divisors (175071).
525201 is a wasteful number, since it uses less digits than its factorization.
525201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175070.
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 525201 is about 724.7075272136. The cubic root of 525201 is about 80.6817261990.
Adding to 525201 its reverse (102525), we get a palindrome (627726).
It can be divided in two parts, 52 and 5201, that added together give a triangular number (5253 = T102).
The spelling of 525201 in words is "five hundred twenty-five thousand, two hundred one".
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