250030000 has 100 divisors (see below), whose sum is σ = 660669768. Its totient is φ = 90880000.

The previous prime is 250029959. The next prime is 250030007. The reversal of 250030000 is 30052.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (250030007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108864 + ... + 111136.

Almost surely, 2^250030000 is an apocalyptic number.

250030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330334884).

250030000 is an abundant number, since it is smaller than the sum of its proper divisors (410639768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250030000 is a wasteful number, since it uses less digits than its factorization.

250030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 250030000 is about 15812.3369556812. The cubic root of 250030000 is about 629.9857223606.

Adding to 250030000 its reverse (30052), we get a palindrome (250060052).

The spelling of 250030000 in words is "two hundred fifty million, thirty thousand".