250250505 has 16 divisors (see below), whose sum is σ = 406041984. Its totient is φ = 131586560.

The previous prime is 250250503. The next prime is 250250509. The reversal of 250250505 is 505052052.

It is not a de Polignac number, because 250250505 - 2¹ = 250250503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250250503) 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 15 ways as a sum of consecutive naturals, for example, 116424 + ... + 118553.

It is an arithmetic number, because the mean of its divisors is an integer number (25377624).

Almost surely, 2^250250505 is an apocalyptic number.

It is an amenable number.

250250505 is a deficient number, since it is larger than the sum of its proper divisors (155791479).

250250505 is a wasteful number, since it uses less digits than its factorization.

250250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235056.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 250250505 is about 15819.3079810717. The cubic root of 250250505 is about 630.1708657229.

The spelling of 250250505 in words is "two hundred fifty million, two hundred fifty thousand, five hundred five".