650225261 has 8 divisors (see below), whose sum is σ = 745491264. Its totient is φ = 555553440.

The previous prime is 650225243. The next prime is 650225263. The reversal of 650225261 is 162522056.

650225261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650225261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650225263) 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, 146195 + ... + 150576.

It is an arithmetic number, because the mean of its divisors is an integer number (93186408).

Almost surely, 2^650225261 is an apocalyptic number.

It is an amenable number.

650225261 is a deficient number, since it is larger than the sum of its proper divisors (95266003).

650225261 is a wasteful number, since it uses less digits than its factorization.

650225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297091.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 650225261 is about 25499.5149169548. The cubic root of 650225261 is about 866.3391603924.

The spelling of 650225261 in words is "six hundred fifty million, two hundred twenty-five thousand, two hundred sixty-one".