250040255 has 4 divisors (see below), whose sum is σ = 300048312. Its totient is φ = 200032200.

The previous prime is 250040243. The next prime is 250040261. The reversal of 250040255 is 552040052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 250040255 - 2¹⁴ = 250023871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250040255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25004021 + ... + 25004030.

It is an arithmetic number, because the mean of its divisors is an integer number (75012078).

Almost surely, 2^250040255 is an apocalyptic number.

250040255 is a deficient number, since it is larger than the sum of its proper divisors (50008057).

250040255 is an equidigital number, since it uses as much as digits as its factorization.

250040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50008056.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 250040255 is about 15812.6612244745. The cubic root of 250040255 is about 629.9943352140.

The spelling of 250040255 in words is "two hundred fifty million, forty thousand, two hundred fifty-five".