650061 has 6 divisors (see below), whose sum is σ = 938990. Its totient is φ = 433368.

The previous prime is 650059. The next prime is 650071. The reversal of 650061 is 160056.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 202500 = 669^2 + 450^2 .

It is not a de Polignac number, because 650061 - 2¹ = 650059 is a prime.

It is a Duffinian number.

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 650061.

It is not an unprimeable number, because it can be changed into a prime (650011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36106 + ... + 36123.

2⁶⁵⁰⁰⁶¹ is an apocalyptic number.

It is an amenable number.

650061 is a deficient number, since it is larger than the sum of its proper divisors (288929).

650061 is a wasteful number, since it uses less digits than its factorization.

650061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72235 (or 72232 counting only the distinct ones).

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

The square root of 650061 is about 806.2636045364. The cubic root of 650061 is about 86.6266202229.

It can be divided in two parts, 6500 and 61, that added together give a 8-th power (6561 = 3⁸).

The spelling of 650061 in words is "six hundred fifty thousand, sixty-one".