1461503 has 4 divisors (see below), whose sum is σ = 1467168. Its totient is φ = 1455840.

The previous prime is 1461497. The next prime is 1461511. The reversal of 1461503 is 3051641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3051641 = 29 ⋅105229.

It is a cyclic number.

It is not a de Polignac number, because 1461503 - 2¹⁰ = 1460479 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (366792).

2^1461503 is an apocalyptic number.

1461503 is a deficient number, since it is larger than the sum of its proper divisors (5665).

1461503 is an equidigital number, since it uses as much as digits as its factorization.

1461503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1461503 is about 1208.9263832012. The cubic root of 1461503 is about 113.4836346862.

The spelling of 1461503 in words is "one million, four hundred sixty-one thousand, five hundred three".