250664225 has 24 divisors (see below), whose sum is σ = 356578368. Its totient is φ = 171230400.

The previous prime is 250664221. The next prime is 250664231. The reversal of 250664225 is 522466052.

250664225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250664225 - 2² = 250664221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250664191 and 250664200.

It is not an unprimeable number, because it can be changed into a prime (250664221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45890 + ... + 51060.

It is an arithmetic number, because the mean of its divisors is an integer number (14857432).

Almost surely, 2^250664225 is an apocalyptic number.

250664225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250664225 is a deficient number, since it is larger than the sum of its proper divisors (105914143).

250664225 is a wasteful number, since it uses less digits than its factorization.

250664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5460 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 250664225 is about 15832.3790063275. The cubic root of 250664225 is about 630.5179456078.

The spelling of 250664225 in words is "two hundred fifty million, six hundred sixty-four thousand, two hundred twenty-five".