250155225 has 18 divisors (see below), whose sum is σ = 448056206. Its totient is φ = 133416000.

The previous prime is 250155211. The next prime is 250155233. The reversal of 250155225 is 522551052.

250155225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3790809 + 246364416 = 1947^2 + 15696^2 .

It is not a de Polignac number, because 250155225 - 2⁷ = 250155097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 555676 + ... + 556125.

Almost surely, 2^250155225 is an apocalyptic number.

250155225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250155225 is a deficient number, since it is larger than the sum of its proper divisors (197900981).

250155225 is a wasteful number, since it uses less digits than its factorization.

250155225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111817 (or 1111809 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 250155225 is about 15816.2961846318. The cubic root of 250155225 is about 630.0908788022.

The spelling of 250155225 in words is "two hundred fifty million, one hundred fifty-five thousand, two hundred twenty-five".