265013249 has 2 divisors, whose sum is σ = 265013250. Its totient is φ = 265013248.

The previous prime is 265013233. The next prime is 265013263. The reversal of 265013249 is 942310562.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186513649 + 78499600 = 13657^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 265013249 - 2⁴ = 265013233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (265013209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132506624 + 132506625.

It is an arithmetic number, because the mean of its divisors is an integer number (132506625).

Almost surely, 2^265013249 is an apocalyptic number.

It is an amenable number.

265013249 is a deficient number, since it is larger than the sum of its proper divisors (1).

265013249 is an equidigital number, since it uses as much as digits as its factorization.

265013249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 265013249 is about 16279.2275308136. The cubic root of 265013249 is about 642.3265331337.

The spelling of 265013249 in words is "two hundred sixty-five million, thirteen thousand, two hundred forty-nine".