51401027 has 2 divisors, whose sum is σ = 51401028. Its totient is φ = 51401026.

The previous prime is 51400991. The next prime is 51401059. The reversal of 51401027 is 72010415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51401027 - 2¹² = 51396931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51401087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25700513 + 25700514.

It is an arithmetic number, because the mean of its divisors is an integer number (25700514).

Almost surely, 2^51401027 is an apocalyptic number.

51401027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51401027 is an equidigital number, since it uses as much as digits as its factorization.

51401027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 51401027 is about 7169.4509552685. The cubic root of 51401027 is about 371.8124536382.

The spelling of 51401027 in words is "fifty-one million, four hundred one thousand, twenty-seven".