51151 has 2 divisors, whose sum is σ = 51152. Its totient is φ = 51150.

The previous prime is 51137. The next prime is 51157. The reversal of 51151 is 15115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51151 - 2¹¹ = 49103 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25575 + 25576.

It is an arithmetic number, because the mean of its divisors is an integer number (25576).

2⁵¹¹⁵¹ is an apocalyptic number.

51151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51151 is an equidigital number, since it uses as much as digits as its factorization.

51151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25, while the sum is 13.

The square root of 51151 is about 226.1658683356. The cubic root of 51151 is about 37.1208611665.

Adding to 51151 its reverse (15115), we get a palindrome (66266).

It can be divided in two parts, 51 and 151, that added together give a palindrome (202).

The spelling of 51151 in words is "fifty-one thousand, one hundred fifty-one".