1481539 has 2 divisors, whose sum is σ = 1481540. Its totient is φ = 1481538.

The previous prime is 1481537. The next prime is 1481551. The reversal of 1481539 is 9351841.

It is a weak prime.

It is an emirp because it is prime and its reverse (9351841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1481539 - 2¹ = 1481537 is a prime.

Together with 1481537, it forms a pair of twin primes.

1481539 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1481539.

It is not a weakly prime, because it can be changed into another prime (1481537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740769 + 740770.

It is an arithmetic number, because the mean of its divisors is an integer number (740770).

2^1481539 is an apocalyptic number.

1481539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481539 is an equidigital number, since it uses as much as digits as its factorization.

1481539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 1481539 is about 1217.1848668136. The cubic root of 1481539 is about 113.9998717553. Note that the first 3 decimals are identical.

The spelling of 1481539 in words is "one million, four hundred eighty-one thousand, five hundred thirty-nine".