650454212 has 6 divisors (see below), whose sum is σ = 1138294878. Its totient is φ = 325227104.

The previous prime is 650454073. The next prime is 650454239. The reversal of 650454212 is 212454056.

It can be written as a sum of positive squares in only one way, i.e., 650454016 + 196 = 25504^2 + 14^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81306773 + ... + 81306780.

It is an arithmetic number, because the mean of its divisors is an integer number (189715813).

Almost surely, 2^650454212 is an apocalyptic number.

It is an amenable number.

650454212 is a deficient number, since it is larger than the sum of its proper divisors (487840666).

650454212 is a wasteful number, since it uses less digits than its factorization.

650454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162613557 (or 162613555 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 650454212 is about 25504.0038425342. The cubic root of 650454212 is about 866.4408307689.

The spelling of 650454212 in words is "six hundred fifty million, four hundred fifty-four thousand, two hundred twelve".