250423530 has 64 divisors (see below), whose sum is σ = 692195328. Its totient is φ = 56796480.

The previous prime is 250423519. The next prime is 250423543. The reversal of 250423530 is 35324052.

It is a self number, because there is not a number n which added to its sum of digits gives 250423530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22959 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (10815552).

Almost surely, 2^250423530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250423530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346097664).

250423530 is an abundant number, since it is smaller than the sum of its proper divisors (441771798).

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

250423530 is a wasteful number, since it uses less digits than its factorization.

250423530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 250423530 is about 15824.7758277961. The cubic root of 250423530 is about 630.3160671541.

Adding to 250423530 its reverse (35324052), we get a palindrome (285747582).

The spelling of 250423530 in words is "two hundred fifty million, four hundred twenty-three thousand, five hundred thirty".