1478539 has 4 divisors (see below), whose sum is σ = 1493280. Its totient is φ = 1463800.

The previous prime is 1478513. The next prime is 1478549. The reversal of 1478539 is 9358741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9358741 = 7 ⋅1336963.

It is a cyclic number.

It is not a de Polignac number, because 1478539 - 2⁹ = 1478027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1478498 and 1478507.

It is not an unprimeable number, because it can be changed into a prime (1478549) 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, 7219 + ... + 7420.

It is an arithmetic number, because the mean of its divisors is an integer number (373320).

2^1478539 is an apocalyptic number.

1478539 is a deficient number, since it is larger than the sum of its proper divisors (14741).

1478539 is a wasteful number, since it uses less digits than its factorization.

1478539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740.

The product of its digits is 30240, while the sum is 37.

The square root of 1478539 is about 1215.9518904957. The cubic root of 1478539 is about 113.9228728336.

The spelling of 1478539 in words is "one million, four hundred seventy-eight thousand, five hundred thirty-nine".