51061263 has 16 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 30896480.

The previous prime is 51061259. The next prime is 51061271. The reversal of 51061263 is 36216015.

It is a cyclic number.

It is not a de Polignac number, because 51061263 - 2² = 51061259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39928 + ... + 41186.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^51061263 is an apocalyptic number.

51061263 is a deficient number, since it is larger than the sum of its proper divisors (23329137).

51061263 is a wasteful number, since it uses less digits than its factorization.

51061263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51061263 is about 7145.7164091503. The cubic root of 51061263 is about 370.9914074000.

Adding to 51061263 its reverse (36216015), we get a palindrome (87277278).

The spelling of 51061263 in words is "fifty-one million, sixty-one thousand, two hundred sixty-three".