654321032 has 8 divisors (see below), whose sum is σ = 1226851950. Its totient is φ = 327160512.

The previous prime is 654321023. The next prime is 654321047. The reversal of 654321032 is 230123456.

It can be written as a sum of positive squares in only one way, i.e., 478121956 + 176199076 = 21866^2 + 13274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a junction number, because it is equal to n+sod(n) for n = 654320992 and 654321010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40895057 + ... + 40895072.

Almost surely, 2^654321032 is an apocalyptic number.

It is an amenable number.

654321032 is a deficient number, since it is larger than the sum of its proper divisors (572530918).

654321032 is a wasteful number, since it uses less digits than its factorization.

654321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81790135 (or 81790131 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 654321032 is about 25579.6996073058. The cubic root of 654321032 is about 868.1543787366.

Adding to 654321032 its reverse (230123456), we get a palindrome (884444488).

The spelling of 654321032 in words is "six hundred fifty-four million, three hundred twenty-one thousand, thirty-two".