51673003 has 2 divisors, whose sum is σ = 51673004. Its totient is φ = 51673002.

The previous prime is 51672991. The next prime is 51673007. The reversal of 51673003 is 30037615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51673003 is a prime.

It is not a weakly prime, because it can be changed into another prime (51673007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25836501 + 25836502.

It is an arithmetic number, because the mean of its divisors is an integer number (25836502).

Almost surely, 2^51673003 is an apocalyptic number.

51673003 is a deficient number, since it is larger than the sum of its proper divisors (1).

51673003 is an equidigital number, since it uses as much as digits as its factorization.

51673003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 51673003 is about 7188.3936314033. The cubic root of 51673003 is about 372.4670853610.

The spelling of 51673003 in words is "fifty-one million, six hundred seventy-three thousand, three".