654069 has 16 divisors (see below), whose sum is σ = 971264. Its totient is φ = 388800.

The previous prime is 654067. The next prime is 654089. The reversal of 654069 is 960456.

It is not a de Polignac number, because 654069 - 2¹ = 654067 is a prime.

It is a super-2 number, since 2×654069² = 855612513522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939 + ... + 1479.

It is an arithmetic number, because the mean of its divisors is an integer number (60704).

2⁶⁵⁴⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

654069 is a deficient number, since it is larger than the sum of its proper divisors (317195).

654069 is a wasteful number, since it uses less digits than its factorization.

654069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 654069 is about 808.7453245614. The cubic root of 654069 is about 86.8042898911.

The spelling of 654069 in words is "six hundred fifty-four thousand, sixty-nine".