51361363 has 2 divisors, whose sum is σ = 51361364. Its totient is φ = 51361362.

The previous prime is 51361337. The next prime is 51361367. The reversal of 51361363 is 36316315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51361363 - 2²⁵ = 17806931 is a prime.

It is not a weakly prime, because it can be changed into another prime (51361367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25680681 + 25680682.

It is an arithmetic number, because the mean of its divisors is an integer number (25680682).

Almost surely, 2^51361363 is an apocalyptic number.

51361363 is a deficient number, since it is larger than the sum of its proper divisors (1).

51361363 is an equidigital number, since it uses as much as digits as its factorization.

51361363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 51361363 is about 7166.6842402885. The cubic root of 51361363 is about 371.7167917095.

Adding to 51361363 its reverse (36316315), we get a palindrome (87677678).

The spelling of 51361363 in words is "fifty-one million, three hundred sixty-one thousand, three hundred sixty-three".