650651053 has 4 divisors (see below), whose sum is σ = 700701148. Its totient is φ = 600600960.

The previous prime is 650651051. The next prime is 650651063. The reversal of 650651053 is 350156056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 306845289 + 343805764 = 17517^2 + 18542^2 .

It is a cyclic number.

It is not a de Polignac number, because 650651053 - 2¹ = 650651051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650651051) 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, 25025028 + ... + 25025053.

It is an arithmetic number, because the mean of its divisors is an integer number (175175287).

Almost surely, 2^650651053 is an apocalyptic number.

It is an amenable number.

650651053 is a deficient number, since it is larger than the sum of its proper divisors (50050095).

650651053 is a wasteful number, since it uses less digits than its factorization.

650651053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050094.

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

The square root of 650651053 is about 25507.8625721561. The cubic root of 650651053 is about 866.5282229713.

The spelling of 650651053 in words is "six hundred fifty million, six hundred fifty-one thousand, fifty-three".