254246225 has 12 divisors (see below), whose sum is σ = 319586316. Its totient is φ = 200609280.

The previous prime is 254246197. The next prime is 254246233. The reversal of 254246225 is 522642452.

It can be written as a sum of positive squares in 6 ways, for example, as 2611456 + 251634769 = 1616^2 + 15863^2 .

It is not a de Polignac number, because 254246225 - 2⁸ = 254245969 is a prime.

It is a super-2 number, since 2×254246225² = 129282285853501250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254246191 and 254246200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67832 + ... + 71481.

It is an arithmetic number, because the mean of its divisors is an integer number (26632193).

Almost surely, 2^254246225 is an apocalyptic number.

254246225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254246225 is a deficient number, since it is larger than the sum of its proper divisors (65340091).

254246225 is a wasteful number, since it uses less digits than its factorization.

254246225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139396 (or 139391 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 254246225 is about 15945.1003446200. The cubic root of 254246225 is about 633.5071260510.

Adding to 254246225 its reverse (522642452), we get a palindrome (776888677).

The spelling of 254246225 in words is "two hundred fifty-four million, two hundred forty-six thousand, two hundred twenty-five".