1375275 has 24 divisors (see below), whose sum is σ = 2481984. Its totient is φ = 666400.

The previous prime is 1375261. The next prime is 1375303. The reversal of 1375275 is 5725731.

It is not a de Polignac number, because 1375275 - 2⁵ = 1375243 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (103416).

2^1375275 is an apocalyptic number.

1375275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375275 is a deficient number, since it is larger than the sum of its proper divisors (1106709).

1375275 is a wasteful number, since it uses less digits than its factorization.

1375275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1686 counting only the distinct ones).

The product of its digits is 7350, while the sum is 30.

The square root of 1375275 is about 1172.7211944874. The cubic root of 1375275 is about 111.2064173013.

The spelling of 1375275 in words is "one million, three hundred seventy-five thousand, two hundred seventy-five".