51134641 has 2 divisors, whose sum is σ = 51134642. Its totient is φ = 51134640.

The previous prime is 51134599. The next prime is 51134669. The reversal of 51134641 is 14643115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 15374241 = 5980^2 + 3921^2 .

It is a cyclic number.

It is not a de Polignac number, because 51134641 - 2¹¹ = 51132593 is a prime.

It is a super-2 number, since 2×51134641² = 5229503020397762, which contains 22 as substring.

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, 25567320 + 25567321.

It is an arithmetic number, because the mean of its divisors is an integer number (25567321).

Almost surely, 2^51134641 is an apocalyptic number.

It is an amenable number.

51134641 is a deficient number, since it is larger than the sum of its proper divisors (1).

51134641 is an equidigital number, since it uses as much as digits as its factorization.

51134641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 51134641 is about 7150.8489705769. The cubic root of 51134641 is about 371.1690344055.

Adding to 51134641 its reverse (14643115), we get a palindrome (65777756).

The spelling of 51134641 in words is "fifty-one million, one hundred thirty-four thousand, six hundred forty-one".