51303101 has 2 divisors, whose sum is σ = 51303102. Its totient is φ = 51303100.

The previous prime is 51303061. The next prime is 51303103. The reversal of 51303101 is 10130315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 10407076 = 6395^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 51303101 - 2²² = 47108797 is a prime.

Together with 51303103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51303103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25651550 + 25651551.

It is an arithmetic number, because the mean of its divisors is an integer number (25651551).

Almost surely, 2^51303101 is an apocalyptic number.

It is an amenable number.

51303101 is a deficient number, since it is larger than the sum of its proper divisors (1).

51303101 is an equidigital number, since it uses as much as digits as its factorization.

51303101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 51303101 is about 7162.6183061783. The cubic root of 51303101 is about 371.5761856423.

Adding to 51303101 its reverse (10130315), we get a palindrome (61433416).

The spelling of 51303101 in words is "fifty-one million, three hundred three thousand, one hundred one".