250225520 has 20 divisors (see below), whose sum is σ = 581774520. Its totient is φ = 100090176.

The previous prime is 250225519. The next prime is 250225607. The reversal of 250225520 is 25522052.

It is a happy number.

250225520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×250225520² = 125225621718540800, which contains 22 as substring.

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, 1563830 + ... + 1563989.

It is an arithmetic number, because the mean of its divisors is an integer number (29088726).

Almost surely, 2^250225520 is an apocalyptic number.

250225520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250225520 is an abundant number, since it is smaller than the sum of its proper divisors (331549000).

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

250225520 is a wasteful number, since it uses less digits than its factorization.

250225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127832 (or 3127826 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 250225520 is about 15818.5182618348. The cubic root of 250225520 is about 630.1498929473.

Adding to 250225520 its reverse (25522052), we get a palindrome (275747572).

The spelling of 250225520 in words is "two hundred fifty million, two hundred twenty-five thousand, five hundred twenty".