51410869 has 2 divisors, whose sum is σ = 51410870. Its totient is φ = 51410868.

The previous prime is 51410867. The next prime is 51410899. The reversal of 51410869 is 96801415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 288369 = 7150^2 + 537^2 .

It is a cyclic number.

It is not a de Polignac number, because 51410869 - 2¹ = 51410867 is a prime.

It is a super-2 number, since 2×51410869² = 5286154902670322, which contains 22 as substring.

Together with 51410867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51410867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705434 + 25705435.

It is an arithmetic number, because the mean of its divisors is an integer number (25705435).

Almost surely, 2^51410869 is an apocalyptic number.

It is an amenable number.

51410869 is a deficient number, since it is larger than the sum of its proper divisors (1).

51410869 is an equidigital number, since it uses as much as digits as its factorization.

51410869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 51410869 is about 7170.1373069140. The cubic root of 51410869 is about 371.8361830255.

The spelling of 51410869 in words is "fifty-one million, four hundred ten thousand, eight hundred sixty-nine".