650662345 has 8 divisors (see below), whose sum is σ = 781020864. Its totient is φ = 520379184.

The previous prime is 650662307. The next prime is 650662349. The reversal of 650662345 is 543266056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650662345 is a prime.

It is a super-3 number, since 3×650662345³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650662349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 36148.

It is an arithmetic number, because the mean of its divisors is an integer number (97627608).

Almost surely, 2^650662345 is an apocalyptic number.

It is an amenable number.

650662345 is a deficient number, since it is larger than the sum of its proper divisors (130358519).

650662345 is a wasteful number, since it uses less digits than its factorization.

650662345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37679.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 650662345 is about 25508.0839147122. The cubic root of 650662345 is about 866.5332357863.

The spelling of 650662345 in words is "six hundred fifty million, six hundred sixty-two thousand, three hundred forty-five".