51346349 has 2 divisors, whose sum is σ = 51346350. Its totient is φ = 51346348.

The previous prime is 51346333. The next prime is 51346357. The reversal of 51346349 is 94364315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42994249 + 8352100 = 6557^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 51346349 - 2⁴ = 51346333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51346319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673174 + 25673175.

It is an arithmetic number, because the mean of its divisors is an integer number (25673175).

Almost surely, 2^51346349 is an apocalyptic number.

It is an amenable number.

51346349 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346349 is an equidigital number, since it uses as much as digits as its factorization.

51346349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 51346349 is about 7165.6366779233. The cubic root of 51346349 is about 371.6805679836.

The spelling of 51346349 in words is "fifty-one million, three hundred forty-six thousand, three hundred forty-nine".