651253213 has 8 divisors (see below), whose sum is σ = 701549856. Its totient is φ = 600985200.

The previous prime is 651253193. The next prime is 651253237. The reversal of 651253213 is 312352156.

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

It is a cyclic number.

It is not a de Polignac number, because 651253213 - 2⁵ = 651253181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651253283) 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 7 ways as a sum of consecutive naturals, for example, 75618 + ... + 83788.

It is an arithmetic number, because the mean of its divisors is an integer number (87693732).

Almost surely, 2^651253213 is an apocalyptic number.

It is an amenable number.

651253213 is a deficient number, since it is larger than the sum of its proper divisors (50296643).

651253213 is a wasteful number, since it uses less digits than its factorization.

651253213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14315.

The product of its digits is 5400, while the sum is 28.

The square root of 651253213 is about 25519.6632618849. The cubic root of 651253213 is about 866.7954567150.

The spelling of 651253213 in words is "six hundred fifty-one million, two hundred fifty-three thousand, two hundred thirteen".