51134143 has 2 divisors, whose sum is σ = 51134144. Its totient is φ = 51134142.

The previous prime is 51134141. The next prime is 51134191. The reversal of 51134143 is 34143115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51134143 - 2¹ = 51134141 is a prime.

It is a super-2 number, since 2×51134143² = 5229401160688898, which contains 22 as substring.

Together with 51134141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51134141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25567071 + 25567072.

It is an arithmetic number, because the mean of its divisors is an integer number (25567072).

Almost surely, 2^51134143 is an apocalyptic number.

51134143 is a deficient number, since it is larger than the sum of its proper divisors (1).

51134143 is an equidigital number, since it uses as much as digits as its factorization.

51134143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 51134143 is about 7150.8141494518. The cubic root of 51134143 is about 371.1678294639.

Adding to 51134143 its reverse (34143115), we get a palindrome (85277258).

The spelling of 51134143 in words is "fifty-one million, one hundred thirty-four thousand, one hundred forty-three".