650531634 has 8 divisors (see below), whose sum is σ = 1301063280. Its totient is φ = 216843876.

The previous prime is 650531617. The next prime is 650531647. The reversal of 650531634 is 436135056.

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

650531634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 650531595 and 650531604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54210964 + ... + 54210975.

It is an arithmetic number, because the mean of its divisors is an integer number (162632910).

Almost surely, 2^650531634 is an apocalyptic number.

650531634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650531634 is a wasteful number, since it uses less digits than its factorization.

650531634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108421944.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 650531634 is about 25505.5216374808. The cubic root of 650531634 is about 866.4752061943.

The spelling of 650531634 in words is "six hundred fifty million, five hundred thirty-one thousand, six hundred thirty-four".