51471473 has 4 divisors (see below), whose sum is σ = 52668528. Its totient is φ = 50274420.

The previous prime is 51471457. The next prime is 51471481. The reversal of 51471473 is 37417415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51471473 - 2⁴ = 51471457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51476473) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 598463 + ... + 598548.

It is an arithmetic number, because the mean of its divisors is an integer number (13167132).

Almost surely, 2^51471473 is an apocalyptic number.

It is an amenable number.

51471473 is a deficient number, since it is larger than the sum of its proper divisors (1197055).

51471473 is a wasteful number, since it uses less digits than its factorization.

51471473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197054.

The product of its digits is 11760, while the sum is 32.

The square root of 51471473 is about 7174.3622016176. The cubic root of 51471473 is about 371.9822345738.

Adding to 51471473 its reverse (37417415), we get a palindrome (88888888).

The spelling of 51471473 in words is "fifty-one million, four hundred seventy-one thousand, four hundred seventy-three".