51174941 has 2 divisors, whose sum is σ = 51174942. Its totient is φ = 51174940.

The previous prime is 51174901. The next prime is 51174943. The reversal of 51174941 is 14947115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 52441 = 7150^2 + 229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51174941 is a prime.

It is a Sophie Germain prime.

Together with 51174943, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51174898 and 51174907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51174943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25587470 + 25587471.

It is an arithmetic number, because the mean of its divisors is an integer number (25587471).

Almost surely, 2^51174941 is an apocalyptic number.

It is an amenable number.

51174941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51174941 is an equidigital number, since it uses as much as digits as its factorization.

51174941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 51174941 is about 7153.6662628333. Note that the first 3 decimals coincide. The cubic root of 51174941 is about 371.2665168163.

The spelling of 51174941 in words is "fifty-one million, one hundred seventy-four thousand, nine hundred forty-one".