51426211 has 2 divisors, whose sum is σ = 51426212. Its totient is φ = 51426210.

The previous prime is 51426209. The next prime is 51426239. The reversal of 51426211 is 11262415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51426211 - 2¹ = 51426209 is a prime.

Together with 51426209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51426281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25713105 + 25713106.

It is an arithmetic number, because the mean of its divisors is an integer number (25713106).

Almost surely, 2^51426211 is an apocalyptic number.

51426211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51426211 is an equidigital number, since it uses as much as digits as its factorization.

51426211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 51426211 is about 7171.2070810987. The cubic root of 51426211 is about 371.8731670554.

Adding to 51426211 its reverse (11262415), we get a palindrome (62688626).

The spelling of 51426211 in words is "fifty-one million, four hundred twenty-six thousand, two hundred eleven".