51040211 has 2 divisors, whose sum is σ = 51040212. Its totient is φ = 51040210.

The previous prime is 51040193. The next prime is 51040217. The reversal of 51040211 is 11204015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51040211 - 2¹⁴ = 51023827 is a prime.

It is not a weakly prime, because it can be changed into another prime (51040217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25520105 + 25520106.

It is an arithmetic number, because the mean of its divisors is an integer number (25520106).

Almost surely, 2^51040211 is an apocalyptic number.

51040211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51040211 is an equidigital number, since it uses as much as digits as its factorization.

51040211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 51040211 is about 7144.2432069464. The cubic root of 51040211 is about 370.9404151589.

Adding to 51040211 its reverse (11204015), we get a palindrome (62244226).

The spelling of 51040211 in words is "fifty-one million, forty thousand, two hundred eleven".