1375585 has 8 divisors (see below), whose sum is σ = 1679040. Its totient is φ = 1081584.

The previous prime is 1375571. The next prime is 1375597. The reversal of 1375585 is 5855731.

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 1375585 - 2⁷ = 1375457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (209880).

2^1375585 is an apocalyptic number.

It is an amenable number.

1375585 is a deficient number, since it is larger than the sum of its proper divisors (303455).

1375585 is an equidigital number, since it uses as much as digits as its factorization.

1375585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727.

The product of its digits is 21000, while the sum is 34.

The square root of 1375585 is about 1172.8533582678. The cubic root of 1375585 is about 111.2147723332.

The spelling of 1375585 in words is "one million, three hundred seventy-five thousand, five hundred eighty-five".