525601 has 8 divisors (see below), whose sum is σ = 549504. Its totient is φ = 502320.

The previous prime is 525599. The next prime is 525607. The reversal of 525601 is 106525.

It is a happy number.

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 525601 - 2¹ = 525599 is a prime.

It is a super-2 number, since 2×525601² = 552512822402, which contains 22 as substring.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (68688).

2⁵²⁵⁶⁰¹ is an apocalyptic number.

It is an amenable number.

525601 is a deficient number, since it is larger than the sum of its proper divisors (23903).

525601 is a wasteful number, since it uses less digits than its factorization.

525601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 525601 is about 724.9834480869. The cubic root of 525601 is about 80.7022037564.

The spelling of 525601 in words is "five hundred twenty-five thousand, six hundred one".