1265345337 has 16 divisors (see below), whose sum is σ = 1782696960. Its totient is φ = 796117392.

The previous prime is 1265345311. The next prime is 1265345407. The reversal of 1265345337 is 7335435621.

It is not a de Polignac number, because 1265345337 - 2⁶ = 1265345273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1265345295 and 1265345304.

It is not an unprimeable number, because it can be changed into a prime (1265345537) 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 in 15 ways as a sum of consecutive naturals, for example, 27213 + ... + 57194.

It is an arithmetic number, because the mean of its divisors is an integer number (111418560).

Almost surely, 2^1265345337 is an apocalyptic number.

It is an amenable number.

1265345337 is a deficient number, since it is larger than the sum of its proper divisors (517351623).

1265345337 is a wasteful number, since it uses less digits than its factorization.

1265345337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84692.

The product of its digits is 226800, while the sum is 39.

The square root of 1265345337 is about 35571.6929172622. The cubic root of 1265345337 is about 1081.6074990038.

The spelling of 1265345337 in words is "one billion, two hundred sixty-five million, three hundred forty-five thousand, three hundred thirty-seven".