1413509 has 2 divisors, whose sum is σ = 1413510. Its totient is φ = 1413508.

The previous prime is 1413487. The next prime is 1413521. The reversal of 1413509 is 9053141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 84100 = 1153^2 + 290^2 .

It is an emirp because it is prime and its reverse (9053141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1413509 - 2⁸ = 1413253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1410509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706754 + 706755.

It is an arithmetic number, because the mean of its divisors is an integer number (706755).

2^1413509 is an apocalyptic number.

It is an amenable number.

1413509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413509 is an equidigital number, since it uses as much as digits as its factorization.

1413509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1413509 is about 1188.9108461108. The cubic root of 1413509 is about 112.2275613503.

The spelling of 1413509 in words is "one million, four hundred thirteen thousand, five hundred nine".