650325971 has 4 divisors (see below), whose sum is σ = 656764944. Its totient is φ = 643887000.

The previous prime is 650325947. The next prime is 650326009. The reversal of 650325971 is 179523056.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650325971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650325911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219335 + ... + 3219536.

It is an arithmetic number, because the mean of its divisors is an integer number (164191236).

Almost surely, 2^650325971 is an apocalyptic number.

650325971 is a deficient number, since it is larger than the sum of its proper divisors (6438973).

650325971 is a wasteful number, since it uses less digits than its factorization.

650325971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438972.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 650325971 is about 25501.4895839439. The cubic root of 650325971 is about 866.3838856683.

The spelling of 650325971 in words is "six hundred fifty million, three hundred twenty-five thousand, nine hundred seventy-one".