51324811 has 2 divisors, whose sum is σ = 51324812. Its totient is φ = 51324810.

The previous prime is 51324739. The next prime is 51324817. The reversal of 51324811 is 11842315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51324811 - 2¹⁹ = 50800523 is a prime.

It is not a weakly prime, because it can be changed into another prime (51324817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662405 + 25662406.

It is an arithmetic number, because the mean of its divisors is an integer number (25662406).

Almost surely, 2^51324811 is an apocalyptic number.

51324811 is a deficient number, since it is larger than the sum of its proper divisors (1).

51324811 is an equidigital number, since it uses as much as digits as its factorization.

51324811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 25.

The square root of 51324811 is about 7164.1336531363. The cubic root of 51324811 is about 371.6285917100.

The spelling of 51324811 in words is "fifty-one million, three hundred twenty-four thousand, eight hundred eleven".