51350003 has 2 divisors, whose sum is σ = 51350004. Its totient is φ = 51350002.

The previous prime is 51349993. The next prime is 51350017. The reversal of 51350003 is 30005315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51350003 - 2¹² = 51345907 is a prime.

It is not a weakly prime, because it can be changed into another prime (51350083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25675001 + 25675002.

It is an arithmetic number, because the mean of its divisors is an integer number (25675002).

Almost surely, 2^51350003 is an apocalyptic number.

51350003 is a deficient number, since it is larger than the sum of its proper divisors (1).

51350003 is an equidigital number, since it uses as much as digits as its factorization.

51350003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 51350003 is about 7165.8916402636. The cubic root of 51350003 is about 371.6893845051.

Adding to 51350003 its reverse (30005315), we get a palindrome (81355318).

The spelling of 51350003 in words is "fifty-one million, three hundred fifty thousand, three".