51441503 has 2 divisors, whose sum is σ = 51441504. Its totient is φ = 51441502.

The previous prime is 51441497. The next prime is 51441527. The reversal of 51441503 is 30514415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51441503 - 2⁴ = 51441487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51443503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720751 + 25720752.

It is an arithmetic number, because the mean of its divisors is an integer number (25720752).

Almost surely, 2^51441503 is an apocalyptic number.

51441503 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441503 is an equidigital number, since it uses as much as digits as its factorization.

51441503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51441503 is about 7172.2732100778. The cubic root of 51441503 is about 371.9100232344.

Adding to 51441503 its reverse (30514415), we get a palindrome (81955918).

The spelling of 51441503 in words is "fifty-one million, four hundred forty-one thousand, five hundred three".