1461603 has 16 divisors (see below), whose sum is σ = 2290176. Its totient is φ = 817440.

The previous prime is 1461601. The next prime is 1461623. The reversal of 1461603 is 3061641.

It is not a de Polignac number, because 1461603 - 2¹ = 1461601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1461603.

It is not an unprimeable number, because it can be changed into a prime (1461601) 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 15 ways as a sum of consecutive naturals, for example, 1275 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (143136).

2^1461603 is an apocalyptic number.

1461603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1461603 is a deficient number, since it is larger than the sum of its proper divisors (828573).

1461603 is a wasteful number, since it uses less digits than its factorization.

1461603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1461603 is about 1208.9677415051. The cubic root of 1461603 is about 113.4862229133.

The spelling of 1461603 in words is "one million, four hundred sixty-one thousand, six hundred three".