51841225 has 6 divisors (see below), whose sum is σ = 64283150. Its totient is φ = 41472960.

The previous prime is 51841217. The next prime is 51841259. The reversal of 51841225 is 52214815.

It can be written as a sum of positive squares in 3 ways, for example, as 18421264 + 33419961 = 4292^2 + 5781^2 .

It is not a de Polignac number, because 51841225 - 2³ = 51841217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51841193 and 51841202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036800 + ... + 1036849.

Almost surely, 2^51841225 is an apocalyptic number.

It is an amenable number.

51841225 is a deficient number, since it is larger than the sum of its proper divisors (12441925).

51841225 is a wasteful number, since it uses less digits than its factorization.

51841225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073659 (or 2073654 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 51841225 is about 7200.0850689419. The cubic root of 51841225 is about 372.8708376974.

It can be divided in two parts, 5184 and 1225, that multiplied together give a square (6350400 = 2520²).

The spelling of 51841225 in words is "fifty-one million, eight hundred forty-one thousand, two hundred twenty-five".