51436841 has 2 divisors, whose sum is σ = 51436842. Its totient is φ = 51436840.

The previous prime is 51436831. The next prime is 51436867. The reversal of 51436841 is 14863415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 14409616 = 6085^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 51436841 - 2¹⁰ = 51435817 is a prime.

It is a super-2 number, since 2×51436841² = 5291497224118562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51436798 and 51436807.

It is not a weakly prime, because it can be changed into another prime (51436831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25718420 + 25718421.

It is an arithmetic number, because the mean of its divisors is an integer number (25718421).

Almost surely, 2^51436841 is an apocalyptic number.

It is an amenable number.

51436841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51436841 is an equidigital number, since it uses as much as digits as its factorization.

51436841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 51436841 is about 7171.9482011515. The cubic root of 51436841 is about 371.8987878388.

The spelling of 51436841 in words is "fifty-one million, four hundred thirty-six thousand, eight hundred forty-one".