1052065321 has 24 divisors (see below), whose sum is σ = 1154739840. Its totient is φ = 955787040.

The previous prime is 1052065271. The next prime is 1052065331. The reversal of 1052065321 is 1235602501.

It is not a de Polignac number, because 1052065321 - 2¹¹ = 1052063273 is a prime.

It is a super-2 number, since 2×1052065321² = 2213682879301666082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052065331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2866480 + ... + 2866846.

It is an arithmetic number, because the mean of its divisors is an integer number (48114160).

Almost surely, 2^1052065321 is an apocalyptic number.

It is an amenable number.

1052065321 is a deficient number, since it is larger than the sum of its proper divisors (102674519).

1052065321 is a wasteful number, since it uses less digits than its factorization.

1052065321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1052065321 is about 32435.5564311760. The cubic root of 1052065321 is about 1017.0623282104.

Adding to 1052065321 its reverse (1235602501), we get a palindrome (2287667822).

The spelling of 1052065321 in words is "one billion, fifty-two million, sixty-five thousand, three hundred twenty-one".