503144072 has 8 divisors (see below), whose sum is σ = 943395150. Its totient is φ = 251572032.

The previous prime is 503144069. The next prime is 503144077. The reversal of 503144072 is 270441305.

It can be written as a sum of positive squares in only one way, i.e., 293299876 + 209844196 = 17126^2 + 14486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (503144077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31446497 + ... + 31446512.

Almost surely, 2^503144072 is an apocalyptic number.

It is an amenable number.

503144072 is a deficient number, since it is larger than the sum of its proper divisors (440251078).

503144072 is a wasteful number, since it uses less digits than its factorization.

503144072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62893015 (or 62893011 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 503144072 is about 22430.8731885319. The cubic root of 503144072 is about 795.3606854575.

Adding to 503144072 its reverse (270441305), we get a palindrome (773585377).

The spelling of 503144072 in words is "five hundred three million, one hundred forty-four thousand, seventy-two".