502440243 has 4 divisors (see below), whose sum is σ = 669920328. Its totient is φ = 334960160.

The previous prime is 502440241. The next prime is 502440259. The reversal of 502440243 is 342044205.

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

It is a cyclic number.

It is not a de Polignac number, because 502440243 - 2¹ = 502440241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502440241) 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, 83740038 + ... + 83740043.

It is an arithmetic number, because the mean of its divisors is an integer number (167480082).

Almost surely, 2^502440243 is an apocalyptic number.

502440243 is a deficient number, since it is larger than the sum of its proper divisors (167480085).

502440243 is a wasteful number, since it uses less digits than its factorization.

502440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167480084.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 502440243 is about 22415.1788527328. The cubic root of 502440243 is about 794.9896458443.

Adding to 502440243 its reverse (342044205), we get a palindrome (844484448).

The spelling of 502440243 in words is "five hundred two million, four hundred forty thousand, two hundred forty-three".