525841 has 4 divisors (see below), whose sum is σ = 527472. Its totient is φ = 524212.

The previous prime is 525839. The next prime is 525869. The reversal of 525841 is 148525.

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 525841 - 2¹ = 525839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (131868).

2⁵²⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

525841 is a deficient number, since it is larger than the sum of its proper divisors (1631).

525841 is a wasteful number, since it uses less digits than its factorization.

525841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its digits is 1600, while the sum is 25.

The square root of 525841 is about 725.1489502164. The cubic root of 525841 is about 80.7144853043.

The spelling of 525841 in words is "five hundred twenty-five thousand, eight hundred forty-one".