654925 has 24 divisors (see below), whose sum is σ = 910656. Its totient is φ = 464640.

The previous prime is 654923. The next prime is 654931. The reversal of 654925 is 529456.

It is not a de Polignac number, because 654925 - 2¹ = 654923 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9742 + ... + 9808.

It is an arithmetic number, because the mean of its divisors is an integer number (37944).

2⁶⁵⁴⁹²⁵ is an apocalyptic number.

It is an amenable number.

654925 is a deficient number, since it is larger than the sum of its proper divisors (255731).

654925 is a wasteful number, since it uses less digits than its factorization.

654925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 112 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 654925 is about 809.2743663307. The cubic root of 654925 is about 86.8421411886.

The spelling of 654925 in words is "six hundred fifty-four thousand, nine hundred twenty-five".