51380107 has 2 divisors, whose sum is σ = 51380108. Its totient is φ = 51380106.

The previous prime is 51380081. The next prime is 51380111. The reversal of 51380107 is 70108315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51380107 - 2²³ = 42991499 is a prime.

It is not a weakly prime, because it can be changed into another prime (51380167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25690053 + 25690054.

It is an arithmetic number, because the mean of its divisors is an integer number (25690054).

Almost surely, 2^51380107 is an apocalyptic number.

51380107 is a deficient number, since it is larger than the sum of its proper divisors (1).

51380107 is an equidigital number, since it uses as much as digits as its factorization.

51380107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 51380107 is about 7167.9918387230. The cubic root of 51380107 is about 371.7620047628.

The spelling of 51380107 in words is "fifty-one million, three hundred eighty thousand, one hundred seven".