650535601 has 4 divisors (see below), whose sum is σ = 664376832. Its totient is φ = 636694372.

The previous prime is 650535559. The next prime is 650535733. The reversal of 650535601 is 106535056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650535601 - 2²⁷ = 516317873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650535001) 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, 6920545 + ... + 6920638.

It is an arithmetic number, because the mean of its divisors is an integer number (166094208).

Almost surely, 2^650535601 is an apocalyptic number.

It is an amenable number.

650535601 is a deficient number, since it is larger than the sum of its proper divisors (13841231).

650535601 is a wasteful number, since it uses less digits than its factorization.

650535601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13841230.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 650535601 is about 25505.5994048366. The cubic root of 650535601 is about 866.4769674718.

The spelling of 650535601 in words is "six hundred fifty million, five hundred thirty-five thousand, six hundred one".