1351162265 has 4 divisors (see below), whose sum is σ = 1621394724. Its totient is φ = 1080929808.

The previous prime is 1351162243. The next prime is 1351162273. The reversal of 1351162265 is 5622611531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200392336 + 1150769929 = 14156^2 + 33923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351162265 - 2¹⁶ = 1351096729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135116222 + ... + 135116231.

It is an arithmetic number, because the mean of its divisors is an integer number (405348681).

Almost surely, 2^1351162265 is an apocalyptic number.

It is an amenable number.

1351162265 is a deficient number, since it is larger than the sum of its proper divisors (270232459).

1351162265 is an equidigital number, since it uses as much as digits as its factorization.

1351162265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270232458.

The product of its digits is 10800, while the sum is 32.

The square root of 1351162265 is about 36758.1591622867. The cubic root of 1351162265 is about 1105.5265305302.

Adding to 1351162265 its reverse (5622611531), we get a palindrome (6973773796).

The spelling of 1351162265 in words is "one billion, three hundred fifty-one million, one hundred sixty-two thousand, two hundred sixty-five".