525605 has 8 divisors (see below), whose sum is σ = 651264. Its totient is φ = 406800.

The previous prime is 525599. The next prime is 525607. The reversal of 525605 is 506525.

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

It is not a de Polignac number, because 525605 - 2⁶ = 525541 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 (525607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541 + ... + 1850.

It is an arithmetic number, because the mean of its divisors is an integer number (81408).

2⁵²⁵⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

525605 is a deficient number, since it is larger than the sum of its proper divisors (125659).

525605 is a wasteful number, since it uses less digits than its factorization.

525605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 525605 is about 724.9862067653. The cubic root of 525605 is about 80.7024084795.

The spelling of 525605 in words is "five hundred twenty-five thousand, six hundred five".