650532997 has 4 divisors (see below), whose sum is σ = 661559040. Its totient is φ = 639506956.

The previous prime is 650532983. The next prime is 650533007. The reversal of 650532997 is 799235056.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650532997 - 2²⁷ = 516315269 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 (650532917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5512933 + ... + 5513050.

It is an arithmetic number, because the mean of its divisors is an integer number (165389760).

Almost surely, 2^650532997 is an apocalyptic number.

It is an amenable number.

650532997 is a deficient number, since it is larger than the sum of its proper divisors (11026043).

650532997 is a wasteful number, since it uses less digits than its factorization.

650532997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026042.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 650532997 is about 25505.5483571712. The cubic root of 650532997 is about 866.4758113429.

The spelling of 650532997 in words is "six hundred fifty million, five hundred thirty-two thousand, nine hundred ninety-seven".