1611265 has 8 divisors (see below), whose sum is σ = 2017728. Its totient is φ = 1232880.

The previous prime is 1611251. The next prime is 1611289. The reversal of 1611265 is 5621161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1611265 - 2⁹ = 1610753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6891 + ... + 7120.

It is an arithmetic number, because the mean of its divisors is an integer number (252216).

2^1611265 is an apocalyptic number.

It is an amenable number.

1611265 is a deficient number, since it is larger than the sum of its proper divisors (406463).

1611265 is a wasteful number, since it uses less digits than its factorization.

1611265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039.

The product of its digits is 360, while the sum is 22.

The square root of 1611265 is about 1269.3561359997. The cubic root of 1611265 is about 117.2345600029.

The spelling of 1611265 in words is "one million, six hundred eleven thousand, two hundred sixty-five".