1052789265 has 64 divisors (see below), whose sum is σ = 2061895680. Its totient is φ = 505414080.

The previous prime is 1052789239. The next prime is 1052789293. The reversal of 1052789265 is 5629872501.

It is not a de Polignac number, because 1052789265 - 2¹⁷ = 1052658193 is a prime.

It is a super-2 number, since 2×1052789265² = 2216730472998480450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1052789265.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149514 + ... + 156396.

It is an arithmetic number, because the mean of its divisors is an integer number (32217120).

Almost surely, 2^1052789265 is an apocalyptic number.

1052789265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052789265 is a deficient number, since it is larger than the sum of its proper divisors (1009106415).

1052789265 is a wasteful number, since it uses less digits than its factorization.

1052789265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1052789265 is about 32446.7142404281. The cubic root of 1052789265 is about 1017.2955606704.

The spelling of 1052789265 in words is "one billion, fifty-two million, seven hundred eighty-nine thousand, two hundred sixty-five".