502420433 has 4 divisors (see below), whose sum is σ = 502951920. Its totient is φ = 501888948.

The previous prime is 502420427. The next prime is 502420453. The reversal of 502420433 is 334024205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334024205 = 5 ⋅66804841.

It is a cyclic number.

It is not a de Polignac number, because 502420433 - 2⁴ = 502420417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502420399 and 502420408.

It is not an unprimeable number, because it can be changed into a prime (502420423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264323 + ... + 266216.

It is an arithmetic number, because the mean of its divisors is an integer number (125737980).

Almost surely, 2^502420433 is an apocalyptic number.

It is an amenable number.

502420433 is a deficient number, since it is larger than the sum of its proper divisors (531487).

502420433 is an equidigital number, since it uses as much as digits as its factorization.

502420433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531486.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 502420433 is about 22414.7369603125. The cubic root of 502420433 is about 794.9791975359.

Adding to 502420433 its reverse (334024205), we get a palindrome (836444638).

The spelling of 502420433 in words is "five hundred two million, four hundred twenty thousand, four hundred thirty-three".