502402 has 4 divisors (see below), whose sum is σ = 753606. Its totient is φ = 251200.

The previous prime is 502393. The next prime is 502409. The reversal of 502402 is 204205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204205 = 5 ⋅40841.

It can be written as a sum of positive squares in only one way, i.e., 434281 + 68121 = 659^2 + 261^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (502409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125599 + ... + 125602.

2⁵⁰²⁴⁰² is an apocalyptic number.

502402 is a deficient number, since it is larger than the sum of its proper divisors (251204).

502402 is a wasteful number, since it uses less digits than its factorization.

502402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251203.

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 502402 is about 708.8032166970. The cubic root of 502402 is about 79.4969475246.

Adding to 502402 its reverse (204205), we get a palindrome (706607).

The spelling of 502402 in words is "five hundred two thousand, four hundred two".