650780234 has 12 divisors (see below), whose sum is σ = 1051470546. Its totient is φ = 300300072.

The previous prime is 650780233. The next prime is 650780237. The reversal of 650780234 is 432087056.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 625750225 + 25030009 = 25015^2 + 5003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650780194 and 650780203.

It is not an unprimeable number, because it can be changed into a prime (650780233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127577 + ... + 132579.

Almost surely, 2^650780234 is an apocalyptic number.

650780234 is a deficient number, since it is larger than the sum of its proper divisors (400690312).

650780234 is an frugal number, since it uses more digits than its factorization.

650780234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 650780234 is about 25510.3946265047. The cubic root of 650780234 is about 866.5855663427.

The spelling of 650780234 in words is "six hundred fifty million, seven hundred eighty thousand, two hundred thirty-four".