51285043 has 2 divisors, whose sum is σ = 51285044. Its totient is φ = 51285042.

The previous prime is 51285019. The next prime is 51285053. The reversal of 51285043 is 34058215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51285043 - 2⁵ = 51285011 is a prime.

It is not a weakly prime, because it can be changed into another prime (51285053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25642521 + 25642522.

It is an arithmetic number, because the mean of its divisors is an integer number (25642522).

Almost surely, 2^51285043 is an apocalyptic number.

51285043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51285043 is an equidigital number, since it uses as much as digits as its factorization.

51285043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 51285043 is about 7161.3576226858. The cubic root of 51285043 is about 371.5325839233.

The spelling of 51285043 in words is "fifty-one million, two hundred eighty-five thousand, forty-three".