250042245 has 8 divisors (see below), whose sum is σ = 400067616. Its totient is φ = 133355856.

The previous prime is 250042237. The next prime is 250042271. The reversal of 250042245 is 542240052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 250042245 - 2³ = 250042237 is a prime.

It is a super-2 number, since 2×250042245² = 125042248569280050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8334727 + ... + 8334756.

It is an arithmetic number, because the mean of its divisors is an integer number (50008452).

Almost surely, 2^250042245 is an apocalyptic number.

It is an amenable number.

250042245 is a deficient number, since it is larger than the sum of its proper divisors (150025371).

250042245 is a wasteful number, since it uses less digits than its factorization.

250042245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669491.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 250042245 is about 15812.7241486089. The cubic root of 250042245 is about 629.9960065255.

Adding to 250042245 its reverse (542240052), we get a palindrome (792282297).

The spelling of 250042245 in words is "two hundred fifty million, forty-two thousand, two hundred forty-five".