842500250 has 16 divisors (see below), whose sum is σ = 1577160936. Its totient is φ = 337000000.

The previous prime is 842500231. The next prime is 842500259. The reversal of 842500250 is 52005248.

It can be written as a sum of positive squares in 4 ways, for example, as 364771801 + 477728449 = 19099^2 + 21857^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (842500259) 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, 1684751 + ... + 1685250.

Almost surely, 2^842500250 is an apocalyptic number.

842500250 is a deficient number, since it is larger than the sum of its proper divisors (734660686).

842500250 is a wasteful number, since it uses less digits than its factorization.

842500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370018 (or 3370008 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 842500250 is about 29025.8548539057. The cubic root of 842500250 is about 944.4740127869.

Adding to 842500250 its reverse (52005248), we get a palindrome (894505498).

The spelling of 842500250 in words is "eight hundred forty-two million, five hundred thousand, two hundred fifty".