650116001 has 4 divisors (see below), whose sum is σ = 651224112. Its totient is φ = 649007892.

The previous prime is 650115959. The next prime is 650116031. The reversal of 650116001 is 100611056.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-650116001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650116031) 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, 553175 + ... + 554348.

It is an arithmetic number, because the mean of its divisors is an integer number (162806028).

Almost surely, 2^650116001 is an apocalyptic number.

It is an amenable number.

650116001 is a deficient number, since it is larger than the sum of its proper divisors (1108111).

650116001 is a wasteful number, since it uses less digits than its factorization.

650116001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108110.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 650116001 is about 25497.3724332528. The cubic root of 650116001 is about 866.2906328411.

Adding to 650116001 its reverse (100611056), we get a palindrome (750727057).

The spelling of 650116001 in words is "six hundred fifty million, one hundred sixteen thousand, one".