250520000 has 70 divisors (see below), whose sum is σ = 621307368. Its totient is φ = 100192000.

The previous prime is 250519991. The next prime is 250520003. The reversal of 250520000 is 25052.

250520000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250520003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36869 + ... + 43131.

Almost surely, 2^250520000 is an apocalyptic number.

250520000 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 250520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310653684).

250520000 is an abundant number, since it is smaller than the sum of its proper divisors (370787368).

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

250520000 is an frugal number, since it uses more digits than its factorization.

250520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6270 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 250520000 is about 15827.8236027573. The cubic root of 250520000 is about 630.3969950985.

Adding to 250520000 its reverse (25052), we get a palindrome (250545052).

Multiplying 250520000 by its reverse (25052), we get a square (6276027040000 = 2505200²).

250520000 divided by its reverse (25052) gives a 4-th power (10000 = 10⁴).

The spelling of 250520000 in words is "two hundred fifty million, five hundred twenty thousand".