650532651 has 4 divisors (see below), whose sum is σ = 867376872. Its totient is φ = 433688432.

The previous prime is 650532647. The next prime is 650532661. The reversal of 650532651 is 156235056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650532651 - 2² = 650532647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650532661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108422106 + ... + 108422111.

It is an arithmetic number, because the mean of its divisors is an integer number (216844218).

Almost surely, 2^650532651 is an apocalyptic number.

650532651 is a deficient number, since it is larger than the sum of its proper divisors (216844221).

650532651 is a wasteful number, since it uses less digits than its factorization.

650532651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216844220.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 650532651 is about 25505.5415743324. The cubic root of 650532651 is about 866.4756577249.

The spelling of 650532651 in words is "six hundred fifty million, five hundred thirty-two thousand, six hundred fifty-one".