526241 has 4 divisors (see below), whose sum is σ = 531012. Its totient is φ = 521472.

The previous prime is 526231. The next prime is 526249. The reversal of 526241 is 142625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30625 + 495616 = 175^2 + 704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2216 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (132753).

2⁵²⁶²⁴¹ is an apocalyptic number.

It is an amenable number.

526241 is a deficient number, since it is larger than the sum of its proper divisors (4771).

526241 is a wasteful number, since it uses less digits than its factorization.

526241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its digits is 480, while the sum is 20.

The square root of 526241 is about 725.4247031912. The cubic root of 526241 is about 80.7349462492.

Adding to 526241 its reverse (142625), we get a palindrome (668866).

It can be divided in two parts, 52624 and 1, that added together give a palindrome (52625).

The spelling of 526241 in words is "five hundred twenty-six thousand, two hundred forty-one".