265084489 has 2 divisors, whose sum is σ = 265084490. Its totient is φ = 265084488.

The previous prime is 265084483. The next prime is 265084493. The reversal of 265084489 is 984480562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214915600 + 50168889 = 14660^2 + 7083^2 .

It is a cyclic number.

It is not a de Polignac number, because 265084489 - 2³ = 265084481 is a prime.

It is a super-2 number, since 2×265084489² = 140539572616782242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265084481) 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, 132542244 + 132542245.

It is an arithmetic number, because the mean of its divisors is an integer number (132542245).

Almost surely, 2^265084489 is an apocalyptic number.

It is an amenable number.

265084489 is a deficient number, since it is larger than the sum of its proper divisors (1).

265084489 is an equidigital number, since it uses as much as digits as its factorization.

265084489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 265084489 is about 16281.4154482956. The cubic root of 265084489 is about 642.3840840206.

The spelling of 265084489 in words is "two hundred sixty-five million, eighty-four thousand, four hundred eighty-nine".