650312061 has 8 divisors (see below), whose sum is σ = 990951744. Its totient is φ = 371606880.

The previous prime is 650312021. The next prime is 650312071. The reversal of 650312061 is 160213056.

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

It is not a de Polignac number, because 650312061 - 2⁶ = 650311997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650312021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15483600 + ... + 15483641.

It is an arithmetic number, because the mean of its divisors is an integer number (123868968).

Almost surely, 2^650312061 is an apocalyptic number.

It is an amenable number.

650312061 is a deficient number, since it is larger than the sum of its proper divisors (340639683).

650312061 is a wasteful number, since it uses less digits than its factorization.

650312061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30967251.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 650312061 is about 25501.2168533190. The cubic root of 650312061 is about 866.3777085170.

The spelling of 650312061 in words is "six hundred fifty million, three hundred twelve thousand, sixty-one".