51417529 has 2 divisors, whose sum is σ = 51417530. Its totient is φ = 51417528.

The previous prime is 51417521. The next prime is 51417547. The reversal of 51417529 is 92571415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 11916304 = 6285^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 51417529 - 2³ = 51417521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51417494 and 51417503.

It is not a weakly prime, because it can be changed into another prime (51417521) 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, 25708764 + 25708765.

It is an arithmetic number, because the mean of its divisors is an integer number (25708765).

Almost surely, 2^51417529 is an apocalyptic number.

It is an amenable number.

51417529 is a deficient number, since it is larger than the sum of its proper divisors (1).

51417529 is an equidigital number, since it uses as much as digits as its factorization.

51417529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 34.

The square root of 51417529 is about 7170.6017181266. The cubic root of 51417529 is about 371.8522387877.

The spelling of 51417529 in words is "fifty-one million, four hundred seventeen thousand, five hundred twenty-nine".