630502 has 4 divisors (see below), whose sum is σ = 945756. Its totient is φ = 315250.

The previous prime is 630493. The next prime is 630521. The reversal of 630502 is 205036.

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

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

630502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157624 + ... + 157627.

It is an arithmetic number, because the mean of its divisors is an integer number (236439).

2⁶³⁰⁵⁰² is an apocalyptic number.

630502 is a deficient number, since it is larger than the sum of its proper divisors (315254).

630502 is a wasteful number, since it uses less digits than its factorization.

630502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315253.

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

The square root of 630502 is about 794.0415606251. The cubic root of 630502 is about 85.7489523795.

Adding to 630502 its reverse (205036), we get a palindrome (835538).

The spelling of 630502 in words is "six hundred thirty thousand, five hundred two".