1493539 has 2 divisors, whose sum is σ = 1493540. Its totient is φ = 1493538.

The previous prime is 1493537. The next prime is 1493563. The reversal of 1493539 is 9353941.

It is a weak prime.

It is an emirp because it is prime and its reverse (9353941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1493539 - 2¹ = 1493537 is a prime.

Together with 1493537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1493537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746769 + 746770.

It is an arithmetic number, because the mean of its divisors is an integer number (746770).

2^1493539 is an apocalyptic number.

1493539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493539 is an equidigital number, since it uses as much as digits as its factorization.

1493539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 1493539 is about 1222.1043326983. The cubic root of 1493539 is about 114.3068321839.

The spelling of 1493539 in words is "one million, four hundred ninety-three thousand, five hundred thirty-nine".