1353263365 has 4 divisors (see below), whose sum is σ = 1623916044. Its totient is φ = 1082610688.

The previous prime is 1353263357. The next prime is 1353263381. The reversal of 1353263365 is 5633623531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5633623531 = 1223 ⋅4606397.

It can be written as a sum of positive squares in 2 ways, for example, as 277488964 + 1075774401 = 16658^2 + 32799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353263365 - 2³ = 1353263357 is a prime.

It is a super-2 number, since 2×1353263365² = 3662643470102246450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135326332 + ... + 135326341.

It is an arithmetic number, because the mean of its divisors is an integer number (405979011).

Almost surely, 2^1353263365 is an apocalyptic number.

It is an amenable number.

1353263365 is a deficient number, since it is larger than the sum of its proper divisors (270652679).

1353263365 is an equidigital number, since it uses as much as digits as its factorization.

1353263365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270652678.

The product of its digits is 145800, while the sum is 37.

The square root of 1353263365 is about 36786.7281094690. The cubic root of 1353263365 is about 1106.0992766447.

Adding to 1353263365 its reverse (5633623531), we get a palindrome (6986886896).

The spelling of 1353263365 in words is "one billion, three hundred fifty-three million, two hundred sixty-three thousand, three hundred sixty-five".