1965273 has 8 divisors (see below), whose sum is σ = 2628000. Its totient is φ = 1306368.

The previous prime is 1965263. The next prime is 1965277. The reversal of 1965273 is 3725691.

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

It is a de Polignac number, because none of the positive numbers 2^k-1965273 is a prime.

It is a d-powerful number, because it can be written as 1 + 9³ + 6⁵ + 5⁹ + 2⁹ + 7⁴ + 3⁶ .

It is not an unprimeable number, because it can be changed into a prime (1965277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 2076.

It is an arithmetic number, because the mean of its divisors is an integer number (328500).

2^1965273 is an apocalyptic number.

It is an amenable number.

1965273 is a deficient number, since it is larger than the sum of its proper divisors (662727).

1965273 is a wasteful number, since it uses less digits than its factorization.

1965273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its digits is 11340, while the sum is 33.

The square root of 1965273 is about 1401.8819493809. The cubic root of 1965273 is about 125.2586218821.

The spelling of 1965273 in words is "one million, nine hundred sixty-five thousand, two hundred seventy-three".