51035147 has 2 divisors, whose sum is σ = 51035148. Its totient is φ = 51035146.

The previous prime is 51035143. The next prime is 51035167. The reversal of 51035147 is 74153015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51035147 - 2² = 51035143 is a prime.

It is not a weakly prime, because it can be changed into another prime (51035143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25517573 + 25517574.

It is an arithmetic number, because the mean of its divisors is an integer number (25517574).

Almost surely, 2^51035147 is an apocalyptic number.

51035147 is a deficient number, since it is larger than the sum of its proper divisors (1).

51035147 is an equidigital number, since it uses as much as digits as its factorization.

51035147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51035147 is about 7143.8887869283. Note that the first 3 decimals coincide. The cubic root of 51035147 is about 370.9281470253.

The spelling of 51035147 in words is "fifty-one million, thirty-five thousand, one hundred forty-seven".