1375417 has 2 divisors, whose sum is σ = 1375418. Its totient is φ = 1375416.

The previous prime is 1375411. The next prime is 1375421. The reversal of 1375417 is 7145731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1212201 + 163216 = 1101^2 + 404^2 .

It is an emirp because it is prime and its reverse (7145731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375417 - 2¹¹ = 1373369 is a prime.

1375417 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1375411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687708 + 687709.

It is an arithmetic number, because the mean of its divisors is an integer number (687709).

2^1375417 is an apocalyptic number.

It is an amenable number.

1375417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375417 is an equidigital number, since it uses as much as digits as its factorization.

1375417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 1375417 is about 1172.7817358742. The cubic root of 1375417 is about 111.2102446007.

It can be divided in two parts, 1375 and 417, that multiplied together give a palindrome (573375).

The spelling of 1375417 in words is "one million, three hundred seventy-five thousand, four hundred seventeen".