650320473 has 32 divisors (see below), whose sum is σ = 981107712. Its totient is φ = 379684800.

The previous prime is 650320457. The next prime is 650320493. The reversal of 650320473 is 374023056.

It is not a de Polignac number, because 650320473 - 2⁴ = 650320457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650320473.

It is not an unprimeable number, because it can be changed into a prime (650320493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123178 + ... + 128348.

It is an arithmetic number, because the mean of its divisors is an integer number (30659616).

Almost surely, 2^650320473 is an apocalyptic number.

It is an amenable number.

650320473 is a deficient number, since it is larger than the sum of its proper divisors (330787239).

650320473 is a wasteful number, since it uses less digits than its factorization.

650320473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 650320473 is about 25501.3817860915. The cubic root of 650320473 is about 866.3814441276.

It can be divided in two parts, 650 and 320473, that added together give a palindrome (321123).

The spelling of 650320473 in words is "six hundred fifty million, three hundred twenty thousand, four hundred seventy-three".