51180541 has 2 divisors, whose sum is σ = 51180542. Its totient is φ = 51180540.

The previous prime is 51180511. The next prime is 51180581. The reversal of 51180541 is 14508115.

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., 38068900 + 13111641 = 6170^2 + 3621^2 .

It is a cyclic number.

It is not a de Polignac number, because 51180541 - 2⁷ = 51180413 is a prime.

It is equal to p_3067612 and since 51180541 and 3067612 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51180511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25590270 + 25590271.

It is an arithmetic number, because the mean of its divisors is an integer number (25590271).

Almost surely, 2^51180541 is an apocalyptic number.

It is an amenable number.

51180541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51180541 is an equidigital number, since it uses as much as digits as its factorization.

51180541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 51180541 is about 7154.0576598180. The cubic root of 51180541 is about 371.2800587089.

Adding to 51180541 its reverse (14508115), we get a palindrome (65688656).

The spelling of 51180541 in words is "fifty-one million, one hundred eighty thousand, five hundred forty-one".