250650565 has 16 divisors (see below), whose sum is σ = 345395520. Its totient is φ = 172696320.

The previous prime is 250650559. The next prime is 250650571. The reversal of 250650565 is 565056052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (250650559) and next prime (250650571).

It is not a de Polignac number, because 250650565 - 2⁷ = 250650437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250650565.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 118884 + ... + 120973.

It is an arithmetic number, because the mean of its divisors is an integer number (21587220).

Almost surely, 2^250650565 is an apocalyptic number.

It is an amenable number.

250650565 is a deficient number, since it is larger than the sum of its proper divisors (94744955).

250650565 is a wasteful number, since it uses less digits than its factorization.

250650565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239892.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 250650565 is about 15831.9476060275. The cubic root of 250650565 is about 630.5064919968.

The spelling of 250650565 in words is "two hundred fifty million, six hundred fifty thousand, five hundred sixty-five".