502021033 has 12 divisors (see below), whose sum is σ = 542050252. Its totient is φ = 464728320.

The previous prime is 502021031. The next prime is 502021043. The reversal of 502021033 is 330120205.

It can be written as a sum of positive squares in 6 ways, for example, as 619369 + 501401664 = 787^2 + 22392^2 .

It is not a de Polignac number, because 502021033 - 2¹ = 502021031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502020998 and 502021016.

It is not an unprimeable number, because it can be changed into a prime (502021031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3391 + ... + 31867.

Almost surely, 2^502021033 is an apocalyptic number.

It is an amenable number.

502021033 is a deficient number, since it is larger than the sum of its proper divisors (40029219).

502021033 is a wasteful number, since it uses less digits than its factorization.

502021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572 (or 28555 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 502021033 is about 22405.8258718575. The cubic root of 502021033 is about 794.7684849905.

Adding to 502021033 its reverse (330120205), we get a palindrome (832141238).

The spelling of 502021033 in words is "five hundred two million, twenty-one thousand, thirty-three".