1563249 has 8 divisors (see below), whose sum is σ = 2098240. Its totient is φ = 1035216.

The previous prime is 1563239. The next prime is 1563253. The reversal of 1563249 is 9423651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1563249 - 2⁵ = 1563217 is a prime.

It is a Duffinian number.

1563249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1563209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (262280).

2^1563249 is an apocalyptic number.

It is an amenable number.

1563249 is a deficient number, since it is larger than the sum of its proper divisors (534991).

1563249 is a wasteful number, since it uses less digits than its factorization.

1563249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its digits is 6480, while the sum is 30.

The square root of 1563249 is about 1250.2995641045. The cubic root of 1563249 is about 116.0582594786.

The spelling of 1563249 in words is "one million, five hundred sixty-three thousand, two hundred forty-nine".