1052255865 has 32 divisors (see below), whose sum is σ = 1817406720. Its totient is φ = 518287616.

The previous prime is 1052255759. The next prime is 1052255921. The reversal of 1052255865 is 5685522501.

It is a cyclic number.

It is not a de Polignac number, because 1052255865 - 2¹⁴ = 1052239481 is a prime.

It is a super-2 number, since 2×1052255865² = 2214484810853796450, which contains 22 as substring.

It is an unprimeable number.

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, 42582 + ... + 62591.

It is an arithmetic number, because the mean of its divisors is an integer number (56793960).

Almost surely, 2^1052255865 is an apocalyptic number.

1052255865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052255865 is a deficient number, since it is larger than the sum of its proper divisors (765150855).

1052255865 is a wasteful number, since it uses less digits than its factorization.

1052255865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105233.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 1052255865 is about 32438.4935685984. The cubic root of 1052255865 is about 1017.1237259905.

The spelling of 1052255865 in words is "one billion, fifty-two million, two hundred fifty-five thousand, eight hundred sixty-five".