525654 has 48 divisors (see below), whose sum is σ = 1263600. Its totient is φ = 157248.

The previous prime is 525649. The next prime is 525671. The reversal of 525654 is 456525.

525654 is a `hidden beast` number, since 5 + 2 + 5 + 654 = 666.

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

It is a congruent number.

It is an unprimeable number.

525654 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 23 ways as a sum of consecutive naturals, for example, 9892 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (26325).

2⁵²⁵⁶⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631800).

525654 is an abundant number, since it is smaller than the sum of its proper divisors (737946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525654 is a wasteful number, since it uses less digits than its factorization.

525654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 106 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 525654 is about 725.0199997241. The cubic root of 525654 is about 80.7049162532.

The spelling of 525654 in words is "five hundred twenty-five thousand, six hundred fifty-four".