1325503 has 4 divisors (see below), whose sum is σ = 1371240. Its totient is φ = 1279768.

The previous prime is 1325501. The next prime is 1325509. The reversal of 1325503 is 3055231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325503 - 2¹ = 1325501 is a prime.

It is a Duffinian number.

1325503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325501) 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 3 ways as a sum of consecutive naturals, for example, 22825 + ... + 22882.

It is an arithmetic number, because the mean of its divisors is an integer number (342810).

2^1325503 is an apocalyptic number.

1325503 is a deficient number, since it is larger than the sum of its proper divisors (45737).

1325503 is an equidigital number, since it uses as much as digits as its factorization.

1325503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45736.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1325503 is about 1151.3049118283. The cubic root of 1325503 is about 109.8483585425.

The spelling of 1325503 in words is "one million, three hundred twenty-five thousand, five hundred three".