651200 has 84 divisors (see below), whose sum is σ = 1795272. Its totient is φ = 230400.

The previous prime is 651193. The next prime is 651221. The reversal of 651200 is 2156.

It is a super-2 number, since 2×651200² = 848122880000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

651200 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17582 + ... + 17618.

2⁶⁵¹²⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897636).

651200 is an abundant number, since it is smaller than the sum of its proper divisors (1144072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651200 is a wasteful number, since it uses less digits than its factorization.

651200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 651200 is about 806.9696400733. The cubic root of 651200 is about 86.6771847852.

Adding to 651200 its reverse (2156), we get a palindrome (653356).

The spelling of 651200 in words is "six hundred fifty-one thousand, two hundred".