1825503 has 8 divisors (see below), whose sum is σ = 2441088. Its totient is φ = 1213464.

The previous prime is 1825493. The next prime is 1825513. The reversal of 1825503 is 3055281.

It is an interprime number because it is at equal distance from previous prime (1825493) and next prime (1825513).

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

It is not a de Polignac number, because 1825503 - 2¹⁰ = 1824479 is a prime.

It is a super-2 number, since 2×1825503² = 6664922406018, which contains 22 as substring.

1825503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (305136).

2^1825503 is an apocalyptic number.

1825503 is a deficient number, since it is larger than the sum of its proper divisors (615585).

1825503 is a wasteful number, since it uses less digits than its factorization.

1825503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1825503 is about 1351.1117644370. Note that the first 3 decimals coincide. The cubic root of 1825503 is about 122.2158456116.

The spelling of 1825503 in words is "one million, eight hundred twenty-five thousand, five hundred three".