10551225 has 12 divisors (see below), whose sum is σ = 17444816. Its totient is φ = 5627280.

The previous prime is 10551199. The next prime is 10551241. The reversal of 10551225 is 52215501.

It is not a de Polignac number, because 10551225 - 2⁵ = 10551193 is a prime.

It is a super-2 number, since 2×10551225² = 222656698001250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70267 + ... + 70416.

Almost surely, 2^10551225 is an apocalyptic number.

10551225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10551225 is a deficient number, since it is larger than the sum of its proper divisors (6893591).

10551225 is a wasteful number, since it uses less digits than its factorization.

10551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140696 (or 140691 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 10551225 is about 3248.2649214619. The cubic root of 10551225 is about 219.3314760937.

Adding to 10551225 its reverse (52215501), we get a palindrome (62766726).

The spelling of 10551225 in words is "ten million, five hundred fifty-one thousand, two hundred twenty-five".