51133241 has 2 divisors, whose sum is σ = 51133242. Its totient is φ = 51133240.

The previous prime is 51133213. The next prime is 51133279. The reversal of 51133241 is 14233115.

51133241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 20839225 = 5504^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 51133241 - 2¹⁸ = 50871097 is a prime.

It is a super-2 number, since 2×51133241² = 5229216670328162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51133441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25566620 + 25566621.

It is an arithmetic number, because the mean of its divisors is an integer number (25566621).

Almost surely, 2^51133241 is an apocalyptic number.

It is an amenable number.

51133241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51133241 is an equidigital number, since it uses as much as digits as its factorization.

51133241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 51133241 is about 7150.7510794321. The cubic root of 51133241 is about 371.1656469994.

Adding to 51133241 its reverse (14233115), we get a palindrome (65366356).

The spelling of 51133241 in words is "fifty-one million, one hundred thirty-three thousand, two hundred forty-one".