51214679 has 2 divisors, whose sum is σ = 51214680. Its totient is φ = 51214678.

The previous prime is 51214663. The next prime is 51214687. The reversal of 51214679 is 97641215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51214679 - 2⁴ = 51214663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51214279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25607339 + 25607340.

It is an arithmetic number, because the mean of its divisors is an integer number (25607340).

Almost surely, 2^51214679 is an apocalyptic number.

51214679 is a deficient number, since it is larger than the sum of its proper divisors (1).

51214679 is an equidigital number, since it uses as much as digits as its factorization.

51214679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 51214679 is about 7156.4431807987. The cubic root of 51214679 is about 371.3625896954.

The spelling of 51214679 in words is "fifty-one million, two hundred fourteen thousand, six hundred seventy-nine".