1375313 has 2 divisors, whose sum is σ = 1375314. Its totient is φ = 1375312.

The previous prime is 1375307. The next prime is 1375337. The reversal of 1375313 is 3135731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 258064 = 1057^2 + 508^2 .

It is an emirp because it is prime and its reverse (3135731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375313 - 2¹² = 1371217 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1375303) 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 as a sum of consecutive naturals, namely, 687656 + 687657.

It is an arithmetic number, because the mean of its divisors is an integer number (687657).

2^1375313 is an apocalyptic number.

It is an amenable number.

1375313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375313 is an equidigital number, since it uses as much as digits as its factorization.

1375313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 945, while the sum is 23.

The square root of 1375313 is about 1172.7373960099. The cubic root of 1375313 is about 111.2074415340.

The spelling of 1375313 in words is "one million, three hundred seventy-five thousand, three hundred thirteen".