249854225 has 6 divisors (see below), whose sum is σ = 309819270. Its totient is φ = 199883360.

The previous prime is 249854201. The next prime is 249854233. The reversal of 249854225 is 522458942.

It is a happy number.

249854225 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 24373969 + 225480256 = 4937^2 + 15016^2 .

It is not a de Polignac number, because 249854225 - 2⁸ = 249853969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4997060 + ... + 4997109.

It is an arithmetic number, because the mean of its divisors is an integer number (51636545).

Almost surely, 2^249854225 is an apocalyptic number.

249854225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249854225 is a deficient number, since it is larger than the sum of its proper divisors (59965045).

249854225 is an equidigital number, since it uses as much as digits as its factorization.

249854225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994179 (or 9994174 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 249854225 is about 15806.7778183917. Note that the first 3 decimals coincide. The cubic root of 249854225 is about 629.8380578135.

The spelling of 249854225 in words is "two hundred forty-nine million, eight hundred fifty-four thousand, two hundred twenty-five".