51303541 has 2 divisors, whose sum is σ = 51303542. Its totient is φ = 51303540.

The previous prime is 51303533. The next prime is 51303559. The reversal of 51303541 is 14530315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 14032516 = 6105^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 51303541 - 2³ = 51303533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51303521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25651770 + 25651771.

It is an arithmetic number, because the mean of its divisors is an integer number (25651771).

Almost surely, 2^51303541 is an apocalyptic number.

It is an amenable number.

51303541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51303541 is an equidigital number, since it uses as much as digits as its factorization.

51303541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51303541 is about 7162.6490211374. The cubic root of 51303541 is about 371.5772479111.

Adding to 51303541 its reverse (14530315), we get a palindrome (65833856).

The spelling of 51303541 in words is "fifty-one million, three hundred three thousand, five hundred forty-one".