51610171 has 2 divisors, whose sum is σ = 51610172. Its totient is φ = 51610170.

The previous prime is 51610123. The next prime is 51610177. The reversal of 51610171 is 17101615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51610171 - 2⁷ = 51610043 is a prime.

It is not a weakly prime, because it can be changed into another prime (51610177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805085 + 25805086.

It is an arithmetic number, because the mean of its divisors is an integer number (25805086).

Almost surely, 2^51610171 is an apocalyptic number.

51610171 is a deficient number, since it is larger than the sum of its proper divisors (1).

51610171 is an equidigital number, since it uses as much as digits as its factorization.

51610171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 51610171 is about 7184.0219236859. The cubic root of 51610171 is about 372.3160565029.

Adding to 51610171 its reverse (17101615), we get a palindrome (68711786).

The spelling of 51610171 in words is "fifty-one million, six hundred ten thousand, one hundred seventy-one".