1832561 has 2 divisors, whose sum is σ = 1832562. Its totient is φ = 1832560.

The previous prime is 1832543. The next prime is 1832629. The reversal of 1832561 is 1652381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 255025 = 1256^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1832561 - 2⁶ = 1832497 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1832561.

It is not a weakly prime, because it can be changed into another prime (1832261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916280 + 916281.

It is an arithmetic number, because the mean of its divisors is an integer number (916281).

2^1832561 is an apocalyptic number.

It is an amenable number.

1832561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1832561 is an equidigital number, since it uses as much as digits as its factorization.

1832561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 1832561 is about 1353.7211677447. The cubic root of 1832561 is about 122.3731520493.

It can be divided in two parts, 183 and 2561, that added together give a cube (2744 = 14³).

The spelling of 1832561 in words is "one million, eight hundred thirty-two thousand, five hundred sixty-one".