1265411353 has 8 divisors (see below), whose sum is σ = 1295905248. Its totient is φ = 1234965984.

The previous prime is 1265411339. The next prime is 1265411383. The reversal of 1265411353 is 3531145621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1265411353 - 2⁵ = 1265411321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1265411383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43701 + ... + 66637.

It is an arithmetic number, because the mean of its divisors is an integer number (161988156).

Almost surely, 2^1265411353 is an apocalyptic number.

It is an amenable number.

1265411353 is a deficient number, since it is larger than the sum of its proper divisors (30493895).

1265411353 is a wasteful number, since it uses less digits than its factorization.

1265411353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263.

The product of its digits is 10800, while the sum is 31.

The square root of 1265411353 is about 35572.6208340066. The cubic root of 1265411353 is about 1081.6263086671.

Adding to 1265411353 its reverse (3531145621), we get a palindrome (4796556974).

The spelling of 1265411353 in words is "one billion, two hundred sixty-five million, four hundred eleven thousand, three hundred fifty-three".