51473005 has 4 divisors (see below), whose sum is σ = 61767612. Its totient is φ = 41178400.

The previous prime is 51472909. The next prime is 51473027. The reversal of 51473005 is 50037415.

51473005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27678121 + 23794884 = 5261^2 + 4878^2 .

It is not a de Polignac number, because 51473005 - 2⁷ = 51472877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5147296 + ... + 5147305.

It is an arithmetic number, because the mean of its divisors is an integer number (15441903).

Almost surely, 2^51473005 is an apocalyptic number.

It is an amenable number.

51473005 is a deficient number, since it is larger than the sum of its proper divisors (10294607).

51473005 is a wasteful number, since it uses less digits than its factorization.

51473005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294606.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51473005 is about 7174.4689698960. The cubic root of 51473005 is about 371.9859251043.

The spelling of 51473005 in words is "fifty-one million, four hundred seventy-three thousand, five".