650250000 has 315 divisors, whose sum is σ = 2416394851. Its totient is φ = 163200000.

The previous prime is 650249993. The next prime is 650250001. The reversal of 650250000 is 52056.

The square root of 650250000 is 25500.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 639280656 + 10969344 = 25284^2 + 3312^2 .

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650250001) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 38249992 + ... + 38250008.

Almost surely, 2^650250000 is an apocalyptic number.

650250000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

650250000 is the 25500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650250000

650250000 is an abundant number, since it is smaller than the sum of its proper divisors (1766144851).

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

650250000 is an equidigital number, since it uses as much as digits as its factorization.

650250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The cubic root of 650250000 is about 866.3501474015.

The spelling of 650250000 in words is "six hundred fifty million, two hundred fifty thousand".