51410225 has 6 divisors (see below), whose sum is σ = 63748710. Its totient is φ = 41128160.

The previous prime is 51410189. The next prime is 51410263. The reversal of 51410225 is 52201415.

It can be written as a sum of positive squares in 3 ways, for example, as 2745649 + 48664576 = 1657^2 + 6976^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51410225 is a prime.

It is a super-2 number, since 2×51410225² = 5286022469101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51410197 and 51410206.

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, 1028180 + ... + 1028229.

It is an arithmetic number, because the mean of its divisors is an integer number (10624785).

Almost surely, 2^51410225 is an apocalyptic number.

It is an amenable number.

51410225 is a deficient number, since it is larger than the sum of its proper divisors (12338485).

51410225 is a wasteful number, since it uses less digits than its factorization.

51410225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056419 (or 2056414 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51410225 is about 7170.0923982889. The cubic root of 51410225 is about 371.8346304129.

The spelling of 51410225 in words is "fifty-one million, four hundred ten thousand, two hundred twenty-five".