51044269 has 2 divisors, whose sum is σ = 51044270. Its totient is φ = 51044268.

The previous prime is 51044261. The next prime is 51044293. The reversal of 51044269 is 96244015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27405225 + 23639044 = 5235^2 + 4862^2 .

It is a cyclic number.

It is not a de Polignac number, because 51044269 - 2³ = 51044261 is a prime.

It is a super-2 number, since 2×51044269² = 5211034795488722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51044269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51044261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25522134 + 25522135.

It is an arithmetic number, because the mean of its divisors is an integer number (25522135).

Almost surely, 2^51044269 is an apocalyptic number.

It is an amenable number.

51044269 is a deficient number, since it is larger than the sum of its proper divisors (1).

51044269 is an equidigital number, since it uses as much as digits as its factorization.

51044269 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 31.

The square root of 51044269 is about 7144.5272061908. The cubic root of 51044269 is about 370.9502455540.

The spelling of 51044269 in words is "fifty-one million, forty-four thousand, two hundred sixty-nine".