502530253 has 4 divisors (see below), whose sum is σ = 502759548. Its totient is φ = 502300960.

The previous prime is 502530239. The next prime is 502530257. The reversal of 502530253 is 352035205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334231524 + 168298729 = 18282^2 + 12973^2 .

It is a cyclic number.

It is not a de Polignac number, because 502530253 - 2¹³ = 502522061 is a prime.

It is a super-3 number, since 3×502530253³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502530257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111328 + ... + 115753.

It is an arithmetic number, because the mean of its divisors is an integer number (125689887).

Almost surely, 2^502530253 is an apocalyptic number.

It is an amenable number.

502530253 is a deficient number, since it is larger than the sum of its proper divisors (229295).

502530253 is a wasteful number, since it uses less digits than its factorization.

502530253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229294.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 502530253 is about 22417.1865540705. The cubic root of 502530253 is about 795.0371159972.

Adding to 502530253 its reverse (352035205), we get a palindrome (854565458).

The spelling of 502530253 in words is "five hundred two million, five hundred thirty thousand, two hundred fifty-three".