503240133 has 8 divisors (see below), whose sum is σ = 731985696. Its totient is φ = 304994000.

The previous prime is 503240131. The next prime is 503240197. The reversal of 503240133 is 331042305.

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

It is a cyclic number.

It is not a de Polignac number, because 503240133 - 2¹ = 503240131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503240131) 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, 7624818 + ... + 7624883.

It is an arithmetic number, because the mean of its divisors is an integer number (91498212).

Almost surely, 2^503240133 is an apocalyptic number.

It is an amenable number.

503240133 is a deficient number, since it is larger than the sum of its proper divisors (228745563).

503240133 is a wasteful number, since it uses less digits than its factorization.

503240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15249715.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 503240133 is about 22433.0143538491. The cubic root of 503240133 is about 795.4112993772.

Adding to 503240133 its reverse (331042305), we get a palindrome (834282438).

The spelling of 503240133 in words is "five hundred three million, two hundred forty thousand, one hundred thirty-three".