1046650321 has 4 divisors (see below), whose sum is σ = 1101737200. Its totient is φ = 991563444.

The previous prime is 1046650247. The next prime is 1046650331. The reversal of 1046650321 is 1230566401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1230566401 = 23 ⋅53502887.

It is a cyclic number.

It is not a de Polignac number, because 1046650321 - 2⁷ = 1046650193 is a prime.

It is a super-3 number, since 3×1046650321³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046650321.

It is not an unprimeable number, because it can be changed into a prime (1046650331) 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 3 ways as a sum of consecutive naturals, for example, 27543411 + ... + 27543448.

It is an arithmetic number, because the mean of its divisors is an integer number (275434300).

Almost surely, 2^1046650321 is an apocalyptic number.

It is an amenable number.

1046650321 is a deficient number, since it is larger than the sum of its proper divisors (55086879).

1046650321 is an equidigital number, since it uses as much as digits as its factorization.

1046650321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55086878.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1046650321 is about 32351.9755347336. The cubic root of 1046650321 is about 1015.3143795507.

The spelling of 1046650321 in words is "one billion, forty-six million, six hundred fifty thousand, three hundred twenty-one".