51475111 has 2 divisors, whose sum is σ = 51475112. Its totient is φ = 51475110.

The previous prime is 51475093. The next prime is 51475121. The reversal of 51475111 is 11157415.

51475111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51475111 - 2¹⁵ = 51442343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51475121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25737555 + 25737556.

It is an arithmetic number, because the mean of its divisors is an integer number (25737556).

Almost surely, 2^51475111 is an apocalyptic number.

51475111 is a deficient number, since it is larger than the sum of its proper divisors (1).

51475111 is an equidigital number, since it uses as much as digits as its factorization.

51475111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700, while the sum is 25.

The square root of 51475111 is about 7174.6157388393. The cubic root of 51475111 is about 371.9909982598.

It can be divided in two parts, 514 and 75111, that added together give a square (75625 = 275²).

The spelling of 51475111 in words is "fifty-one million, four hundred seventy-five thousand, one hundred eleven".