12250025 has 6 divisors (see below), whose sum is σ = 15190062. Its totient is φ = 9800000.

The previous prime is 12250019. The next prime is 12250061. The reversal of 12250025 is 52005221.

It can be written as a sum of positive squares in 3 ways, for example, as 4393216 + 7856809 = 2096^2 + 2803^2 .

It is not a de Polignac number, because 12250025 - 2⁴ = 12250009 is a prime.

It is a super-2 number, since 2×12250025² = 300126225001250, 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 = 12249985 and 12250012.

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, 244976 + ... + 245025.

It is an arithmetic number, because the mean of its divisors is an integer number (2531677).

Almost surely, 2^12250025 is an apocalyptic number.

It is an amenable number.

12250025 is a deficient number, since it is larger than the sum of its proper divisors (2940037).

12250025 is an equidigital number, since it uses as much as digits as its factorization.

12250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490011 (or 490006 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12250025 is about 3500.0035714267. The cubic root of 12250025 is about 230.5219714204.

Adding to 12250025 its reverse (52005221), we get a palindrome (64255246).

It can be divided in two parts, 122500 and 25, that multiplied together give a square (3062500 = 1750²).

The spelling of 12250025 in words is "twelve million, two hundred fifty thousand, twenty-five".