1471409 has 2 divisors, whose sum is σ = 1471410. Its totient is φ = 1471408.

The previous prime is 1471403. The next prime is 1471411. The reversal of 1471409 is 9041741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288225 + 183184 = 1135^2 + 428^2 .

It is an emirp because it is prime and its reverse (9041741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1471409 is a prime.

Together with 1471411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1471403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735704 + 735705.

It is an arithmetic number, because the mean of its divisors is an integer number (735705).

2^1471409 is an apocalyptic number.

It is an amenable number.

1471409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471409 is an equidigital number, since it uses as much as digits as its factorization.

1471409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1471409 is about 1213.0164879341. The cubic root of 1471409 is about 113.7394531943.

The spelling of 1471409 in words is "one million, four hundred seventy-one thousand, four hundred nine".