525901 has 8 divisors (see below), whose sum is σ = 561600. Its totient is φ = 491040.

The previous prime is 525893. The next prime is 525913. The reversal of 525901 is 109525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525901 - 2³ = 525893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525961) 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 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2⁵²⁵⁹⁰¹ is an apocalyptic number.

It is an amenable number.

525901 is a deficient number, since it is larger than the sum of its proper divisors (35699).

525901 is a wasteful number, since it uses less digits than its factorization.

525901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 525901 is about 725.1903198471. The cubic root of 525901 is about 80.7175551074.

The spelling of 525901 in words is "five hundred twenty-five thousand, nine hundred one".