654112 has 12 divisors (see below), whose sum is σ = 1287846. Its totient is φ = 327040.

The previous prime is 654107. The next prime is 654127. The reversal of 654112 is 211456.

654112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 456976 + 197136 = 676^2 + 444^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 654112.

It is an unprimeable number.

654112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10189 + ... + 10252.

2⁶⁵⁴¹¹² is an apocalyptic number.

It is an amenable number.

654112 is a deficient number, since it is larger than the sum of its proper divisors (633734).

654112 is a wasteful number, since it uses less digits than its factorization.

654112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20451 (or 20443 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 654112 is about 808.7719085131. The cubic root of 654112 is about 86.8061920873.

Adding to 654112 its reverse (211456), we get a palindrome (865568).

The spelling of 654112 in words is "six hundred fifty-four thousand, one hundred twelve".