1375373 has 2 divisors, whose sum is σ = 1375374. Its totient is φ = 1375372.

The previous prime is 1375357. The next prime is 1375379. The reversal of 1375373 is 3735731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 114244 = 1123^2 + 338^2 .

It is an emirp because it is prime and its reverse (3735731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1375373 - 2⁴ = 1375357 is a prime.

It is a plaindrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687686 + 687687.

It is an arithmetic number, because the mean of its divisors is an integer number (687687).

2^1375373 is an apocalyptic number.

It is an amenable number.

1375373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375373 is an equidigital number, since it uses as much as digits as its factorization.

1375373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 29.

The square root of 1375373 is about 1172.7629769054. The cubic root of 1375373 is about 111.2090587051.

The spelling of 1375373 in words is "one million, three hundred seventy-five thousand, three hundred seventy-three".