51471097 has 2 divisors, whose sum is σ = 51471098. Its totient is φ = 51471096.

The previous prime is 51471089. The next prime is 51471127. The reversal of 51471097 is 79017415.

51471097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 2134521 = 7024^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 51471097 - 2³ = 51471089 is a prime.

It is equal to p_3083965 and since 51471097 and 3083965 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51471047) 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 as a sum of consecutive naturals, namely, 25735548 + 25735549.

It is an arithmetic number, because the mean of its divisors is an integer number (25735549).

Almost surely, 2^51471097 is an apocalyptic number.

It is an amenable number.

51471097 is a deficient number, since it is larger than the sum of its proper divisors (1).

51471097 is an equidigital number, since it uses as much as digits as its factorization.

51471097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 51471097 is about 7174.3359971498. The cubic root of 51471097 is about 371.9813287927.

The spelling of 51471097 in words is "fifty-one million, four hundred seventy-one thousand, ninety-seven".