1791265 has 16 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 1206720.

The previous prime is 1791247. The next prime is 1791269. The reversal of 1791265 is 5621971.

It is not a de Polignac number, because 1791265 - 2⁹ = 1790753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1716 + ... + 2554.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^1791265 is an apocalyptic number.

It is an amenable number.

1791265 is a deficient number, since it is larger than the sum of its proper divisors (708575).

1791265 is an equidigital number, since it uses as much as digits as its factorization.

1791265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 3780, while the sum is 31.

The square root of 1791265 is about 1338.3814852276. The cubic root of 1791265 is about 121.4469502582.

It can be divided in two parts, 179 and 1265, that added together give a square (1444 = 38²).

The spelling of 1791265 in words is "one million, seven hundred ninety-one thousand, two hundred sixty-five".