51016351 has 2 divisors, whose sum is σ = 51016352. Its totient is φ = 51016350.

The previous prime is 51016331. The next prime is 51016397. The reversal of 51016351 is 15361015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51016351 - 2⁵ = 51016319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51016321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25508175 + 25508176.

It is an arithmetic number, because the mean of its divisors is an integer number (25508176).

Almost surely, 2^51016351 is an apocalyptic number.

51016351 is a deficient number, since it is larger than the sum of its proper divisors (1).

51016351 is an equidigital number, since it uses as much as digits as its factorization.

51016351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 51016351 is about 7142.5731357824. The cubic root of 51016351 is about 370.8826044143.

Adding to 51016351 its reverse (15361015), we get a palindrome (66377366).

It can be divided in two parts, 510 and 16351, that added together give a palindrome (16861).

The spelling of 51016351 in words is "fifty-one million, sixteen thousand, three hundred fifty-one".