1004653221 has 32 divisors (see below), whose sum is σ = 1575813120. Its totient is φ = 561297600.

The previous prime is 1004653207. The next prime is 1004653231. The reversal of 1004653221 is 1223564001.

It is not a de Polignac number, because 1004653221 - 2⁹ = 1004652709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004653191 and 1004653200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004653231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547776 + ... + 549606.

It is an arithmetic number, because the mean of its divisors is an integer number (49244160).

Almost surely, 2^1004653221 is an apocalyptic number.

1004653221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004653221 is a deficient number, since it is larger than the sum of its proper divisors (571159899).

1004653221 is a wasteful number, since it uses less digits than its factorization.

1004653221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1004653221 is about 31696.2650954336. The cubic root of 1004653221 is about 1001.5486740373.

The spelling of 1004653221 in words is "one billion, four million, six hundred fifty-three thousand, two hundred twenty-one".