1355317 has 6 divisors (see below), whose sum is σ = 1389462. Its totient is φ = 1321992.

The previous prime is 1355311. The next prime is 1355323. The reversal of 1355317 is 7135531.

It is an interprime number because it is at equal distance from previous prime (1355311) and next prime (1355323).

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 7396 = 1161^2 + 86^2 .

It is not a de Polignac number, because 1355317 - 2³ = 1355309 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁴ + 5³ + 5³ + 3¹² + 1 + 7⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355291 and 1355300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355311) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1483 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (231577).

2^1355317 is an apocalyptic number.

It is an amenable number.

1355317 is a deficient number, since it is larger than the sum of its proper divisors (34145).

1355317 is an frugal number, since it uses more digits than its factorization.

1355317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 776 counting only the distinct ones).

The product of its digits is 1575, while the sum is 25.

The square root of 1355317 is about 1164.1808278786. The cubic root of 1355317 is about 110.6658511496.

The spelling of 1355317 in words is "one million, three hundred fifty-five thousand, three hundred seventeen".