51106241 has 2 divisors, whose sum is σ = 51106242. Its totient is φ = 51106240.

The previous prime is 51106229. The next prime is 51106243. The reversal of 51106241 is 14260115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 3441025 = 6904^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 51106241 - 2⁶ = 51106177 is a prime.

It is a super-2 number, since 2×51106241² = 5223695738300162, which contains 22 as substring.

Together with 51106243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51106243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553120 + 25553121.

It is an arithmetic number, because the mean of its divisors is an integer number (25553121).

Almost surely, 2^51106241 is an apocalyptic number.

It is an amenable number.

51106241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106241 is an equidigital number, since it uses as much as digits as its factorization.

51106241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51106241 is about 7148.8629165763. The cubic root of 51106241 is about 371.1003063542.

Adding to 51106241 its reverse (14260115), we get a palindrome (65366356).

The spelling of 51106241 in words is "fifty-one million, one hundred six thousand, two hundred forty-one".