650252069 has 4 divisors (see below), whose sum is σ = 650361600. Its totient is φ = 650142540.

The previous prime is 650252041. The next prime is 650252077. The reversal of 650252069 is 960252056.

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 650252069 - 2²⁰ = 649203493 is a prime.

It is a super-2 number, since 2×650252069² = 845655506477561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650252089) 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, 45317 + ... + 57914.

It is an arithmetic number, because the mean of its divisors is an integer number (162590400).

Almost surely, 2^650252069 is an apocalyptic number.

It is an amenable number.

650252069 is a deficient number, since it is larger than the sum of its proper divisors (109531).

650252069 is a wasteful number, since it uses less digits than its factorization.

650252069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109530.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 650252069 is about 25500.0405685952. The cubic root of 650252069 is about 866.3510662669.

The spelling of 650252069 in words is "six hundred fifty million, two hundred fifty-two thousand, sixty-nine".