654025 has 6 divisors (see below), whose sum is σ = 811022. Its totient is φ = 523200.

The previous prime is 654023. The next prime is 654029. The reversal of 654025 is 520456.

It can be written as a sum of positive squares in 3 ways, for example, as 9216 + 644809 = 96^2 + 803^2 .

It is not a de Polignac number, because 654025 - 2¹ = 654023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 653987 and 654005.

It is not an unprimeable number, because it can be changed into a prime (654023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13056 + ... + 13105.

2⁶⁵⁴⁰²⁵ is an apocalyptic number.

It is an amenable number.

654025 is a deficient number, since it is larger than the sum of its proper divisors (156997).

654025 is a wasteful number, since it uses less digits than its factorization.

654025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26171 (or 26166 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 654025 is about 808.7181214737. The cubic root of 654025 is about 86.8023433715.

The spelling of 654025 in words is "six hundred fifty-four thousand, twenty-five".