51103571 has 2 divisors, whose sum is σ = 51103572. Its totient is φ = 51103570.

The previous prime is 51103561. The next prime is 51103579. The reversal of 51103571 is 17530115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51103571 - 2²² = 46909267 is a prime.

It is a super-2 number, since 2×51103571² = 5223149937904082, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51103579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551785 + 25551786.

It is an arithmetic number, because the mean of its divisors is an integer number (25551786).

Almost surely, 2^51103571 is an apocalyptic number.

51103571 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103571 is an equidigital number, since it uses as much as digits as its factorization.

51103571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 51103571 is about 7148.6761711523. The cubic root of 51103571 is about 371.0938436401.

Adding to 51103571 its reverse (17530115), we get a palindrome (68633686).

The spelling of 51103571 in words is "fifty-one million, one hundred three thousand, five hundred seventy-one".