250801225 has 12 divisors (see below), whose sum is σ = 311220160. Its totient is φ = 200494800.

The previous prime is 250801219. The next prime is 250801231. The reversal of 250801225 is 522108052.

It is an interprime number because it is at equal distance from previous prime (250801219) and next prime (250801231).

It is a de Polignac number, because none of the positive numbers 2^k-250801225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 250801225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43036 + ... + 48514.

Almost surely, 2^250801225 is an apocalyptic number.

250801225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250801225 is a deficient number, since it is larger than the sum of its proper divisors (60418935).

250801225 is a wasteful number, since it uses less digits than its factorization.

250801225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320 (or 7315 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 250801225 is about 15836.7049918851. The cubic root of 250801225 is about 630.6327941018.

Adding to 250801225 its reverse (522108052), we get a palindrome (772909277).

The spelling of 250801225 in words is "two hundred fifty million, eight hundred one thousand, two hundred twenty-five".