525670 has 8 divisors (see below), whose sum is σ = 946224. Its totient is φ = 210264.

The previous prime is 525649. The next prime is 525671. The reversal of 525670 is 76525.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525671) by changing a digit.

525670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 26274 + ... + 26293.

It is an arithmetic number, because the mean of its divisors is an integer number (118278).

2⁵²⁵⁶⁷⁰ is an apocalyptic number.

525670 is a deficient number, since it is larger than the sum of its proper divisors (420554).

525670 is a wasteful number, since it uses less digits than its factorization.

525670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52574.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 525670 is about 725.0310338186. The cubic root of 525670 is about 80.7057350843.

The spelling of 525670 in words is "five hundred twenty-five thousand, six hundred seventy".