1314509 has 4 divisors (see below), whose sum is σ = 1502304. Its totient is φ = 1126716.

The previous prime is 1314503. The next prime is 1314517. The reversal of 1314509 is 9054131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9054131 = 1283 ⋅7057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1314509 is a prime.

It is a super-2 number, since 2×1314509² = 3455867822162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93887 + ... + 93900.

It is an arithmetic number, because the mean of its divisors is an integer number (375576).

2^1314509 is an apocalyptic number.

It is an amenable number.

1314509 is a deficient number, since it is larger than the sum of its proper divisors (187795).

1314509 is an equidigital number, since it uses as much as digits as its factorization.

1314509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187794.

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

The square root of 1314509 is about 1146.5203879565. The cubic root of 1314509 is about 109.5438132185.

The spelling of 1314509 in words is "one million, three hundred fourteen thousand, five hundred nine".