1461289 has 2 divisors, whose sum is σ = 1461290. Its totient is φ = 1461288.

The previous prime is 1461287. The next prime is 1461293. The reversal of 1461289 is 9821641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 2025 = 1208^2 + 45^2 .

It is an emirp because it is prime and its reverse (9821641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461289 - 2¹ = 1461287 is a prime.

Together with 1461287, it forms a pair of twin primes.

1461289 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461289.

It is not a weakly prime, because it can be changed into another prime (1461283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730644 + 730645.

It is an arithmetic number, because the mean of its divisors is an integer number (730645).

2^1461289 is an apocalyptic number.

It is an amenable number.

1461289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461289 is an equidigital number, since it uses as much as digits as its factorization.

1461289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 1461289 is about 1208.8378716768. The cubic root of 1461289 is about 113.4780954837.

The spelling of 1461289 in words is "one million, four hundred sixty-one thousand, two hundred eighty-nine".