51264211 has 2 divisors, whose sum is σ = 51264212. Its totient is φ = 51264210.

The previous prime is 51264193. The next prime is 51264221. The reversal of 51264211 is 11246215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51264211 - 2¹¹ = 51262163 is a prime.

It is not a weakly prime, because it can be changed into another prime (51264221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25632105 + 25632106.

It is an arithmetic number, because the mean of its divisors is an integer number (25632106).

Almost surely, 2^51264211 is an apocalyptic number.

51264211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51264211 is an equidigital number, since it uses as much as digits as its factorization.

51264211 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 51264211 is about 7159.9030021363. The cubic root of 51264211 is about 371.4822715610.

The spelling of 51264211 in words is "fifty-one million, two hundred sixty-four thousand, two hundred eleven".