1539479 has 2 divisors, whose sum is σ = 1539480. Its totient is φ = 1539478.

The previous prime is 1539467. The next prime is 1539521. The reversal of 1539479 is 9749351.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1539479 - 2⁴ = 1539463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1539449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769739 + 769740.

It is an arithmetic number, because the mean of its divisors is an integer number (769740).

2^1539479 is an apocalyptic number.

1539479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1539479 is an equidigital number, since it uses as much as digits as its factorization.

1539479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 1539479 is about 1240.7574299596. The cubic root of 1539479 is about 115.4670108118.

The spelling of 1539479 in words is "one million, five hundred thirty-nine thousand, four hundred seventy-nine".