250229905 has 16 divisors (see below), whose sum is σ = 316480320. Its totient is φ = 189407808.

The previous prime is 250229899. The next prime is 250229909. The reversal of 250229905 is 509922052.

250229905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250229905 - 2⁹ = 250229393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (250229909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120859 + ... + 122911.

It is an arithmetic number, because the mean of its divisors is an integer number (19780020).

Almost surely, 2^250229905 is an apocalyptic number.

It is an amenable number.

250229905 is a deficient number, since it is larger than the sum of its proper divisors (66250415).

250229905 is a wasteful number, since it uses less digits than its factorization.

250229905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 250229905 is about 15818.6568646014. The cubic root of 250229905 is about 630.1535738816.

The spelling of 250229905 in words is "two hundred fifty million, two hundred twenty-nine thousand, nine hundred five".