1052255866 has 4 divisors (see below), whose sum is σ = 1578383802. Its totient is φ = 526127932.

The previous prime is 1052255759. The next prime is 1052255921. The reversal of 1052255866 is 6685522501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6685522501 = 7 ⋅955074643.

It can be written as a sum of positive squares in only one way, i.e., 935075241 + 117180625 = 30579^2 + 10825^2 .

It is a super-2 number, since 2×1052255866² = 2214484815062819912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 263063965 + ... + 263063968.

Almost surely, 2^1052255866 is an apocalyptic number.

1052255866 is a deficient number, since it is larger than the sum of its proper divisors (526127936).

1052255866 is an equidigital number, since it uses as much as digits as its factorization.

1052255866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526127935.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 1052255866 is about 32438.4935840122. The cubic root of 1052255866 is about 1017.1237263127.

The spelling of 1052255866 in words is "one billion, fifty-two million, two hundred fifty-five thousand, eight hundred sixty-six".