1054032321 has 4 divisors (see below), whose sum is σ = 1405376432. Its totient is φ = 702688212.

The previous prime is 1054032319. The next prime is 1054032341. The reversal of 1054032321 is 1232304501.

1054032321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1232304501 = 3 ⋅410768167.

It is not a de Polignac number, because 1054032321 - 2¹ = 1054032319 is a prime.

It is a super-2 number, since 2×1054032321² = 2221968267425294082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054032341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175672051 + ... + 175672056.

It is an arithmetic number, because the mean of its divisors is an integer number (351344108).

Almost surely, 2^1054032321 is an apocalyptic number.

It is an amenable number.

1054032321 is a deficient number, since it is larger than the sum of its proper divisors (351344111).

1054032321 is an equidigital number, since it uses as much as digits as its factorization.

1054032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351344110.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1054032321 is about 32465.8639342926. The cubic root of 1054032321 is about 1017.6957857426.

Adding to 1054032321 its reverse (1232304501), we get a palindrome (2286336822).

The spelling of 1054032321 in words is "one billion, fifty-four million, thirty-two thousand, three hundred twenty-one".