51461073 has 6 divisors (see below), whose sum is σ = 74332674. Its totient is φ = 34307376.

The previous prime is 51461071. The next prime is 51461077. The reversal of 51461073 is 37016415.

51461073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31102929 + 20358144 = 5577^2 + 4512^2 .

It is not a de Polignac number, because 51461073 - 2¹ = 51461071 is a prime.

It is a super-2 number, since 2×51461073² = 5296484068622658, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51461071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858940 + ... + 2858957.

It is an arithmetic number, because the mean of its divisors is an integer number (12388779).

Almost surely, 2^51461073 is an apocalyptic number.

It is an amenable number.

51461073 is a deficient number, since it is larger than the sum of its proper divisors (22871601).

51461073 is a wasteful number, since it uses less digits than its factorization.

51461073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717903 (or 5717900 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51461073 is about 7173.6373618967. The cubic root of 51461073 is about 371.9571794277.

Adding to 51461073 its reverse (37016415), we get a palindrome (88477488).

The spelling of 51461073 in words is "fifty-one million, four hundred sixty-one thousand, seventy-three".