1494553 has 4 divisors (see below), whose sum is σ = 1526400. Its totient is φ = 1462708.

The previous prime is 1494539. The next prime is 1494557. The reversal of 1494553 is 3554941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3554941 = 13 ⋅273457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494553 is a prime.

It is a Duffinian number.

1494553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1494557) 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 in 3 ways as a sum of consecutive naturals, for example, 15853 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (381600).

2^1494553 is an apocalyptic number.

It is an amenable number.

1494553 is a deficient number, since it is larger than the sum of its proper divisors (31847).

1494553 is an equidigital number, since it uses as much as digits as its factorization.

1494553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31846.

The product of its digits is 10800, while the sum is 31.

The square root of 1494553 is about 1222.5191205049. The cubic root of 1494553 is about 114.3326948959.

The spelling of 1494553 in words is "one million, four hundred ninety-four thousand, five hundred fifty-three".