650054970 has 80 divisors (see below), whose sum is σ = 1752026760. Its totient is φ = 172941696.

The previous prime is 650054969. The next prime is 650054983. The reversal of 650054970 is 79450056.

It can be written as a sum of positive squares in 4 ways, for example, as 604127241 + 45927729 = 24579^2 + 6777^2 .

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 528316 + ... + 529544.

Almost surely, 2^650054970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650054970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876013380).

650054970 is an abundant number, since it is smaller than the sum of its proper divisors (1101971790).

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

650054970 is a wasteful number, since it uses less digits than its factorization.

650054970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 650054970 is about 25496.1755955673. The cubic root of 650054970 is about 866.2635237108.

The spelling of 650054970 in words is "six hundred fifty million, fifty-four thousand, nine hundred seventy".