250020245 has 4 divisors (see below), whose sum is σ = 300024300. Its totient is φ = 200016192.

The previous prime is 250020203. The next prime is 250020257. The reversal of 250020245 is 542020052.

250020245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 177395761 + 72624484 = 13319^2 + 8522^2 .

It is a cyclic number.

It is not a de Polignac number, because 250020245 - 2¹² = 250016149 is a prime.

It is a Curzon number.

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, 25002020 + ... + 25002029.

It is an arithmetic number, because the mean of its divisors is an integer number (75006075).

Almost surely, 2^250020245 is an apocalyptic number.

It is an amenable number.

250020245 is a deficient number, since it is larger than the sum of its proper divisors (50004055).

250020245 is an equidigital number, since it uses as much as digits as its factorization.

250020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50004054.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 250020245 is about 15812.0284909938. The cubic root of 250020245 is about 629.9775292229.

Adding to 250020245 its reverse (542020052), we get a palindrome (792040297).

The spelling of 250020245 in words is "two hundred fifty million, twenty thousand, two hundred forty-five".