1493537 has 2 divisors, whose sum is σ = 1493538. Its totient is φ = 1493536.

The previous prime is 1493491. The next prime is 1493539. The reversal of 1493537 is 7353941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 654481 = 916^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493537 - 2⁶ = 1493473 is a prime.

Together with 1493539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1493539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746768 + 746769.

It is an arithmetic number, because the mean of its divisors is an integer number (746769).

2^1493537 is an apocalyptic number.

It is an amenable number.

1493537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493537 is an equidigital number, since it uses as much as digits as its factorization.

1493537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 1493537 is about 1222.1035144373. The cubic root of 1493537 is about 114.3067811610.

The spelling of 1493537 in words is "one million, four hundred ninety-three thousand, five hundred thirty-seven".