265284868 has 6 divisors (see below), whose sum is σ = 464248526. Its totient is φ = 132642432.

The previous prime is 265284863. The next prime is 265284889. The reversal of 265284868 is 868482562.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 233722944 + 31561924 = 15288^2 + 5618^2 .

It is a super-2 number, since 2×265284868² = 140752122379554848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265284863) by changing a digit.

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, 33160605 + ... + 33160612.

Almost surely, 2^265284868 is an apocalyptic number.

It is an amenable number.

265284868 is a deficient number, since it is larger than the sum of its proper divisors (198963658).

265284868 is a wasteful number, since it uses less digits than its factorization.

265284868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66321221 (or 66321219 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 265284868 is about 16287.5678970189. The cubic root of 265284868 is about 642.5459039508.

It can be divided in two parts, 2652 and 84868, that multiplied together give a triangular number (225069936 = T₂₁₂₁₆).

The spelling of 265284868 in words is "two hundred sixty-five million, two hundred eighty-four thousand, eight hundred sixty-eight".