1792561 has 4 divisors (see below), whose sum is σ = 1836324. Its totient is φ = 1748800.

The previous prime is 1792559. The next prime is 1792579. The reversal of 1792561 is 1652971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1652971 = 29 ⋅56999.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 1221025 = 756^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1792561 - 2¹ = 1792559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1792501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21820 + ... + 21901.

It is an arithmetic number, because the mean of its divisors is an integer number (459081).

2^1792561 is an apocalyptic number.

It is an amenable number.

1792561 is a deficient number, since it is larger than the sum of its proper divisors (43763).

1792561 is an equidigital number, since it uses as much as digits as its factorization.

1792561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43762.

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

The square root of 1792561 is about 1338.8655645732. The cubic root of 1792561 is about 121.4762326003.

The spelling of 1792561 in words is "one million, seven hundred ninety-two thousand, five hundred sixty-one".