51105941 has 2 divisors, whose sum is σ = 51105942. Its totient is φ = 51105940.

The previous prime is 51105911. The next prime is 51105979. The reversal of 51105941 is 14950115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 8151025 = 6554^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 51105941 - 2¹⁴ = 51089557 is a prime.

It is a super-2 number, since 2×51105941² = 5223634410990962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51105941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51105911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552970 + 25552971.

It is an arithmetic number, because the mean of its divisors is an integer number (25552971).

Almost surely, 2^51105941 is an apocalyptic number.

It is an amenable number.

51105941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51105941 is an equidigital number, since it uses as much as digits as its factorization.

51105941 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 26.

The square root of 51105941 is about 7148.8419341877. The cubic root of 51105941 is about 371.0995802178.

The spelling of 51105941 in words is "fifty-one million, one hundred five thousand, nine hundred forty-one".