650216405 has 8 divisors (see below), whose sum is σ = 780516000. Its totient is φ = 520002256.

The previous prime is 650216393. The next prime is 650216447. The reversal of 650216405 is 504612056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650216405 - 2⁶ = 650216341 is a prime.

It is a super-2 number, since 2×650216405² = 845562746662248050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 36204.

It is an arithmetic number, because the mean of its divisors is an integer number (97564500).

Almost surely, 2^650216405 is an apocalyptic number.

It is an amenable number.

650216405 is a deficient number, since it is larger than the sum of its proper divisors (130299595).

650216405 is a wasteful number, since it uses less digits than its factorization.

650216405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 650216405 is about 25499.3412660014. The cubic root of 650216405 is about 866.3352272249.

The spelling of 650216405 in words is "six hundred fifty million, two hundred sixteen thousand, four hundred five".