51251063 has 2 divisors, whose sum is σ = 51251064. Its totient is φ = 51251062.

The previous prime is 51251051. The next prime is 51251069. The reversal of 51251063 is 36015215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51251063 - 2⁸ = 51250807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51251069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25625531 + 25625532.

It is an arithmetic number, because the mean of its divisors is an integer number (25625532).

Almost surely, 2^51251063 is an apocalyptic number.

51251063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51251063 is an equidigital number, since it uses as much as digits as its factorization.

51251063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51251063 is about 7158.9847743936. The cubic root of 51251063 is about 371.4505101792.

Adding to 51251063 its reverse (36015215), we get a palindrome (87266278).

The spelling of 51251063 in words is "fifty-one million, two hundred fifty-one thousand, sixty-three".