1375265 has 4 divisors (see below), whose sum is σ = 1650324. Its totient is φ = 1100208.

The previous prime is 1375261. The next prime is 1375303. The reversal of 1375265 is 5625731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5625731 = 23 ⋅244597.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 833569 = 736^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375265 - 2² = 1375261 is a prime.

It is a super-3 number, since 3×1375265³ = 7803338134715203875, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137522 + ... + 137531.

It is an arithmetic number, because the mean of its divisors is an integer number (412581).

2^1375265 is an apocalyptic number.

It is an amenable number.

1375265 is a deficient number, since it is larger than the sum of its proper divisors (275059).

1375265 is an equidigital number, since it uses as much as digits as its factorization.

1375265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275058.

The product of its digits is 6300, while the sum is 29.

The square root of 1375265 is about 1172.7169308917. The cubic root of 1375265 is about 111.2061477632.

The spelling of 1375265 in words is "one million, three hundred seventy-five thousand, two hundred sixty-five".