51370867 has 2 divisors, whose sum is σ = 51370868. Its totient is φ = 51370866.

The previous prime is 51370849. The next prime is 51370897. The reversal of 51370867 is 76807315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51370867 - 2²³ = 42982259 is a prime.

It is not a weakly prime, because it can be changed into another prime (51370897) 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, 25685433 + 25685434.

It is an arithmetic number, because the mean of its divisors is an integer number (25685434).

Almost surely, 2^51370867 is an apocalyptic number.

51370867 is a deficient number, since it is larger than the sum of its proper divisors (1).

51370867 is an equidigital number, since it uses as much as digits as its factorization.

51370867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 51370867 is about 7167.3472777590. The cubic root of 51370867 is about 371.7397180124.

The spelling of 51370867 in words is "fifty-one million, three hundred seventy thousand, eight hundred sixty-seven".