503243153 has 8 divisors (see below), whose sum is σ = 575995008. Its totient is φ = 430706304.

The previous prime is 503243141. The next prime is 503243161. The reversal of 503243153 is 351342305.

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

It is not a de Polignac number, because 503243153 - 2⁶ = 503243089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503243123) 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, 48701 + ... + 58122.

It is an arithmetic number, because the mean of its divisors is an integer number (71999376).

Almost surely, 2^503243153 is an apocalyptic number.

It is an amenable number.

503243153 is a deficient number, since it is larger than the sum of its proper divisors (72751855).

503243153 is a wasteful number, since it uses less digits than its factorization.

503243153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107503.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 503243153 is about 22433.0816652550. The cubic root of 503243153 is about 795.4128904913.

Adding to 503243153 its reverse (351342305), we get a palindrome (854585458).

The spelling of 503243153 in words is "five hundred three million, two hundred forty-three thousand, one hundred fifty-three".