1418561 has 2 divisors, whose sum is σ = 1418562. Its totient is φ = 1418560.

The previous prime is 1418551. The next prime is 1418567. The reversal of 1418561 is 1658141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168561 + 250000 = 1081^2 + 500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1418561 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 1418561.

It is not a weakly prime, because it can be changed into another prime (1418567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709280 + 709281.

It is an arithmetic number, because the mean of its divisors is an integer number (709281).

2^1418561 is an apocalyptic number.

It is an amenable number.

1418561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418561 is an equidigital number, since it uses as much as digits as its factorization.

1418561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 26.

The square root of 1418561 is about 1191.0335847490. The cubic root of 1418561 is about 112.3611059563.

The spelling of 1418561 in words is "one million, four hundred eighteen thousand, five hundred sixty-one".