1353317279 has 4 divisors (see below), whose sum is σ = 1376254920. Its totient is φ = 1330379640.

The previous prime is 1353317261. The next prime is 1353317293. The reversal of 1353317279 is 9727133531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9727133531 = 31 ⋅313778501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1353317279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353317209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468732 + ... + 11468849.

It is an arithmetic number, because the mean of its divisors is an integer number (344063730).

Almost surely, 2^1353317279 is an apocalyptic number.

1353317279 is a deficient number, since it is larger than the sum of its proper divisors (22937641).

1353317279 is an equidigital number, since it uses as much as digits as its factorization.

1353317279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22937640.

The product of its digits is 119070, while the sum is 41.

The square root of 1353317279 is about 36787.4608936252. The cubic root of 1353317279 is about 1106.1139654446.

The spelling of 1353317279 in words is "one billion, three hundred fifty-three million, three hundred seventeen thousand, two hundred seventy-nine".