51410609 has 2 divisors, whose sum is σ = 51410610. Its totient is φ = 51410608.

The previous prime is 51410587. The next prime is 51410627. The reversal of 51410609 is 90601415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 7480225 = 6628^2 + 2735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51410609 is a prime.

It is not a weakly prime, because it can be changed into another prime (51410509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25705304 + 25705305.

It is an arithmetic number, because the mean of its divisors is an integer number (25705305).

Almost surely, 2^51410609 is an apocalyptic number.

It is an amenable number.

51410609 is a deficient number, since it is larger than the sum of its proper divisors (1).

51410609 is an equidigital number, since it uses as much as digits as its factorization.

51410609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51410609 is about 7170.1191761365. The cubic root of 51410609 is about 371.8355561959.

The spelling of 51410609 in words is "fifty-one million, four hundred ten thousand, six hundred nine".