51427603 has 2 divisors, whose sum is σ = 51427604. Its totient is φ = 51427602.

The previous prime is 51427589. The next prime is 51427627. The reversal of 51427603 is 30672415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51427603 is a prime.

It is not a weakly prime, because it can be changed into another prime (51427633) 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, 25713801 + 25713802.

It is an arithmetic number, because the mean of its divisors is an integer number (25713802).

Almost surely, 2^51427603 is an apocalyptic number.

51427603 is a deficient number, since it is larger than the sum of its proper divisors (1).

51427603 is an equidigital number, since it uses as much as digits as its factorization.

51427603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 51427603 is about 7171.3041352323. The cubic root of 51427603 is about 371.8765223015.

The spelling of 51427603 in words is "fifty-one million, four hundred twenty-seven thousand, six hundred three".