650601 has 24 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 354816.

The previous prime is 650599. The next prime is 650609. The reversal of 650601 is 106056.

650601 is a `hidden beast` number, since 65 + 0 + 601 = 666.

It is not a de Polignac number, because 650601 - 2¹ = 650599 is a prime.

It is a super-2 number, since 2×650601² = 846563322402, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650601.

It is not an unprimeable number, because it can be changed into a prime (650609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2⁶⁵⁰⁶⁰¹ is an apocalyptic number.

It is an amenable number.

650601 is a deficient number, since it is larger than the sum of its proper divisors (472599).

650601 is a wasteful number, since it uses less digits than its factorization.

650601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 650601 is about 806.5984130904. The cubic root of 650601 is about 86.6506002433.

Adding to 650601 its reverse (106056), we get a palindrome (756657).

The spelling of 650601 in words is "six hundred fifty thousand, six hundred one".