51083603 has 2 divisors, whose sum is σ = 51083604. Its totient is φ = 51083602.

The previous prime is 51083531. The next prime is 51083639. The reversal of 51083603 is 30638015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51083603 - 2¹⁰ = 51082579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51083303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541801 + 25541802.

It is an arithmetic number, because the mean of its divisors is an integer number (25541802).

Almost surely, 2^51083603 is an apocalyptic number.

51083603 is a deficient number, since it is larger than the sum of its proper divisors (1).

51083603 is an equidigital number, since it uses as much as digits as its factorization.

51083603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51083603 is about 7147.2794124758. The cubic root of 51083603 is about 371.0455041141.

The spelling of 51083603 in words is "fifty-one million, eighty-three thousand, six hundred three".