265345237 has 2 divisors, whose sum is σ = 265345238. Its totient is φ = 265345236.

The previous prime is 265345219. The next prime is 265345313. The reversal of 265345237 is 732543562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257313681 + 8031556 = 16041^2 + 2834^2 .

It is a cyclic number.

It is not a de Polignac number, because 265345237 - 2⁷ = 265345109 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 265345196 and 265345205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265345637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132672618 + 132672619.

It is an arithmetic number, because the mean of its divisors is an integer number (132672619).

Almost surely, 2^265345237 is an apocalyptic number.

It is an amenable number.

265345237 is a deficient number, since it is larger than the sum of its proper divisors (1).

265345237 is an equidigital number, since it uses as much as digits as its factorization.

265345237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 37.

The square root of 265345237 is about 16289.4210148796. The cubic root of 265345237 is about 642.5946401288.

Adding to 265345237 its reverse (732543562), we get a palindrome (997888799).

The spelling of 265345237 in words is "two hundred sixty-five million, three hundred forty-five thousand, two hundred thirty-seven".