51420301 has 2 divisors, whose sum is σ = 51420302. Its totient is φ = 51420300.

The previous prime is 51420293. The next prime is 51420307. The reversal of 51420301 is 10302415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 8844676 = 6525^2 + 2974^2 .

It is a cyclic number.

It is not a de Polignac number, because 51420301 - 2³ = 51420293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51420307) 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 as a sum of consecutive naturals, namely, 25710150 + 25710151.

It is an arithmetic number, because the mean of its divisors is an integer number (25710151).

Almost surely, 2^51420301 is an apocalyptic number.

It is an amenable number.

51420301 is a deficient number, since it is larger than the sum of its proper divisors (1).

51420301 is an equidigital number, since it uses as much as digits as its factorization.

51420301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51420301 is about 7170.7950047397. The cubic root of 51420301 is about 371.8589210476.

Adding to 51420301 its reverse (10302415), we get a palindrome (61722716).

The spelling of 51420301 in words is "fifty-one million, four hundred twenty thousand, three hundred one".