90000250 has 32 divisors (see below), whose sum is σ = 169627536. Its totient is φ = 35755200.

The previous prime is 90000241. The next prime is 90000257. The reversal of 90000250 is 5200009.

It can be written as a sum of positive squares in 8 ways, for example, as 110889 + 89889361 = 333^2 + 9481^2 .

It is not an unprimeable number, because it can be changed into a prime (90000257) 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, 38104 + ... + 40396.

Almost surely, 2^90000250 is an apocalyptic number.

90000250 is a deficient number, since it is larger than the sum of its proper divisors (79627286).

90000250 is a wasteful number, since it uses less digits than its factorization.

90000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 90000250 is about 9486.8461566529. The cubic root of 90000250 is about 448.1408896002.

Adding to 90000250 its reverse (5200009), we get a palindrome (95200259).

The spelling of 90000250 in words is "ninety million, two hundred fifty", and thus it is an aban number.