51009041 has 2 divisors, whose sum is σ = 51009042. Its totient is φ = 51009040.

The previous prime is 51009037. The next prime is 51009067. The reversal of 51009041 is 14090015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37466641 + 13542400 = 6121^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 51009041 - 2² = 51009037 is a prime.

It is not a weakly prime, because it can be changed into another prime (51009001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25504520 + 25504521.

It is an arithmetic number, because the mean of its divisors is an integer number (25504521).

Almost surely, 2^51009041 is an apocalyptic number.

It is an amenable number.

51009041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51009041 is an equidigital number, since it uses as much as digits as its factorization.

51009041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 51009041 is about 7142.0613971038. The cubic root of 51009041 is about 370.8648893008.

Adding to 51009041 its reverse (14090015), we get a palindrome (65099056).

It can be divided in two parts, 5100 and 9041, that added together give a palindrome (14141).

The spelling of 51009041 in words is "fifty-one million, nine thousand, forty-one".