503149 has 6 divisors (see below), whose sum is σ = 534794. Its totient is φ = 473280.

The previous prime is 503147. The next prime is 503159. The reversal of 503149 is 941305.

It can be written as a sum of positive squares in 3 ways, for example, as 47524 + 455625 = 218^2 + 675^2 .

It is not a de Polignac number, because 503149 - 2¹ = 503147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503147) 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 5 ways as a sum of consecutive naturals, for example, 582 + ... + 1159.

2⁵⁰³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

503149 is a deficient number, since it is larger than the sum of its proper divisors (31645).

503149 is a wasteful number, since it uses less digits than its factorization.

503149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 503149 is about 709.3299655309. The cubic root of 503149 is about 79.5363282146.

It can be divided in two parts, 503 and 149, that multiplied together give a palindrome (74947).

The spelling of 503149 in words is "five hundred three thousand, one hundred forty-nine".