265789049 has 2 divisors, whose sum is σ = 265789050. Its totient is φ = 265789048.

The previous prime is 265789037. The next prime is 265789099. The reversal of 265789049 is 940987562.

It is a happy number.

It is an a-pointer prime, because the next prime (265789099) can be obtained adding 265789049 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231648400 + 34140649 = 15220^2 + 5843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265789049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265788988 and 265789006.

It is not a weakly prime, because it can be changed into another prime (265789099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132894524 + 132894525.

It is an arithmetic number, because the mean of its divisors is an integer number (132894525).

Almost surely, 2^265789049 is an apocalyptic number.

It is an amenable number.

265789049 is a deficient number, since it is larger than the sum of its proper divisors (1).

265789049 is an equidigital number, since it uses as much as digits as its factorization.

265789049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 265789049 is about 16303.0380297661. The cubic root of 265789049 is about 642.9527049167.

The spelling of 265789049 in words is "two hundred sixty-five million, seven hundred eighty-nine thousand, forty-nine".