651230 has 8 divisors (see below), whose sum is σ = 1172232. Its totient is φ = 260488.

The previous prime is 651223. The next prime is 651239. The reversal of 651230 is 32156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 651199 and 651208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651239) 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, 32552 + ... + 32571.

It is an arithmetic number, because the mean of its divisors is an integer number (146529).

2⁶⁵¹²³⁰ is an apocalyptic number.

651230 is a deficient number, since it is larger than the sum of its proper divisors (521002).

651230 is a wasteful number, since it uses less digits than its factorization.

651230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65130.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 651230 is about 806.9882279191. The cubic root of 651230 is about 86.6785158027.

Adding to 651230 its reverse (32156), we get a palindrome (683386).

The spelling of 651230 in words is "six hundred fifty-one thousand, two hundred thirty".