525241 has 2 divisors, whose sum is σ = 525242. Its totient is φ = 525240.

The previous prime is 525221. The next prime is 525247. The reversal of 525241 is 142525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395641 + 129600 = 629^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 525241 - 2⁵ = 525209 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (525247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262620 + 262621.

It is an arithmetic number, because the mean of its divisors is an integer number (262621).

2⁵²⁵²⁴¹ is an apocalyptic number.

It is an amenable number.

525241 is a deficient number, since it is larger than the sum of its proper divisors (1).

525241 is an equidigital number, since it uses as much as digits as its factorization.

525241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 400, while the sum is 19.

The square root of 525241 is about 724.7351240281. The cubic root of 525241 is about 80.6837744225.

Adding to 525241 its reverse (142525), we get a palindrome (667766).

It can be divided in two parts, 52524 and 1, that added together give a palindrome (52525).

The spelling of 525241 in words is "five hundred twenty-five thousand, two hundred forty-one".