51182207 has 2 divisors, whose sum is σ = 51182208. Its totient is φ = 51182206.

The previous prime is 51182191. The next prime is 51182213. The reversal of 51182207 is 70228115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51182207 - 2⁴ = 51182191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51182237) 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, 25591103 + 25591104.

It is an arithmetic number, because the mean of its divisors is an integer number (25591104).

Almost surely, 2^51182207 is an apocalyptic number.

51182207 is a deficient number, since it is larger than the sum of its proper divisors (1).

51182207 is an equidigital number, since it uses as much as digits as its factorization.

51182207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 51182207 is about 7154.1740962881. The cubic root of 51182207 is about 371.2840872313.

The spelling of 51182207 in words is "fifty-one million, one hundred eighty-two thousand, two hundred seven".