650299897 has 8 divisors (see below), whose sum is σ = 700521416. Its totient is φ = 600106752.

The previous prime is 650299891. The next prime is 650300003. The reversal of 650299897 is 798992056.

It can be written as a sum of positive squares in 4 ways, for example, as 18481401 + 631818496 = 4299^2 + 25136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650299897 - 2¹¹ = 650297849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650299891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82513 + ... + 90049.

It is an arithmetic number, because the mean of its divisors is an integer number (87565177).

Almost surely, 2^650299897 is an apocalyptic number.

It is an amenable number.

650299897 is a deficient number, since it is larger than the sum of its proper divisors (50221519).

650299897 is a wasteful number, since it uses less digits than its factorization.

650299897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14187.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 650299897 is about 25500.9783537809. The cubic root of 650299897 is about 866.3723066570.

The spelling of 650299897 in words is "six hundred fifty million, two hundred ninety-nine thousand, eight hundred ninety-seven".