51078151 has 2 divisors, whose sum is σ = 51078152. Its totient is φ = 51078150.

The previous prime is 51078133. The next prime is 51078179. The reversal of 51078151 is 15187015.

It is an a-pointer prime, because the next prime (51078179) can be obtained adding 51078151 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51078151 - 2¹⁵ = 51045383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51078451) 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 as a sum of consecutive naturals, namely, 25539075 + 25539076.

It is an arithmetic number, because the mean of its divisors is an integer number (25539076).

Almost surely, 2^51078151 is an apocalyptic number.

51078151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51078151 is an equidigital number, since it uses as much as digits as its factorization.

51078151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 51078151 is about 7146.8979984326. The cubic root of 51078151 is about 371.0323034525.

The spelling of 51078151 in words is "fifty-one million, seventy-eight thousand, one hundred fifty-one".