1351313 has 8 divisors (see below), whose sum is σ = 1480680. Its totient is φ = 1227520.

The previous prime is 1351309. The next prime is 1351327. The reversal of 1351313 is 3131531.

It can be written as a sum of positive squares in 4 ways, for example, as 253009 + 1098304 = 503^2 + 1048^2 .

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 1351313 - 2² = 1351309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351291 and 1351300.

It is not an unprimeable number, because it can be changed into a prime (1351373) 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, 878 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (185085).

2^1351313 is an apocalyptic number.

It is an amenable number.

1351313 is a deficient number, since it is larger than the sum of its proper divisors (129367).

1351313 is a wasteful number, since it uses less digits than its factorization.

1351313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its digits is 135, while the sum is 17.

The square root of 1351313 is about 1162.4598917812. The cubic root of 1351313 is about 110.5567639668.

Adding to 1351313 its reverse (3131531), we get a palindrome (4482844).

The spelling of 1351313 in words is "one million, three hundred fifty-one thousand, three hundred thirteen".