51103363 has 2 divisors, whose sum is σ = 51103364. Its totient is φ = 51103362.

The previous prime is 51103337. The next prime is 51103373. The reversal of 51103363 is 36330115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51103363 - 2¹³ = 51095171 is a prime.

It is a super-2 number, since 2×51103363² = 5223107419819538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51103303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551681 + 25551682.

It is an arithmetic number, because the mean of its divisors is an integer number (25551682).

Almost surely, 2^51103363 is an apocalyptic number.

51103363 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103363 is an equidigital number, since it uses as much as digits as its factorization.

51103363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 51103363 is about 7148.6616229893. The cubic root of 51103363 is about 371.0933401683.

Adding to 51103363 its reverse (36330115), we get a palindrome (87433478).

The spelling of 51103363 in words is "fifty-one million, one hundred three thousand, three hundred sixty-three".