51411769 has 2 divisors, whose sum is σ = 51411770. Its totient is φ = 51411768.

The previous prime is 51411743. The next prime is 51411781. The reversal of 51411769 is 96711415.

51411769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 788544 = 7115^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 51411769 - 2²³ = 43023161 is a prime.

It is a super-2 number, since 2×51411769² = 5286339983418722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51411799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705884 + 25705885.

It is an arithmetic number, because the mean of its divisors is an integer number (25705885).

Almost surely, 2^51411769 is an apocalyptic number.

It is an amenable number.

51411769 is a deficient number, since it is larger than the sum of its proper divisors (1).

51411769 is an equidigital number, since it uses as much as digits as its factorization.

51411769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 51411769 is about 7170.2000669437. The cubic root of 51411769 is about 371.8383528042.

The spelling of 51411769 in words is "fifty-one million, four hundred eleven thousand, seven hundred sixty-nine".