51674081 has 2 divisors, whose sum is σ = 51674082. Its totient is φ = 51674080.

The previous prime is 51674039. The next prime is 51674083. The reversal of 51674081 is 18047615.

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., 38241856 + 13432225 = 6184^2 + 3665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51674081 is a prime.

It is a super-2 number, since 2×51674081² = 5340421294389122, which contains 22 as substring.

Together with 51674083, 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 (51674083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25837040 + 25837041.

It is an arithmetic number, because the mean of its divisors is an integer number (25837041).

Almost surely, 2^51674081 is an apocalyptic number.

It is an amenable number.

51674081 is a deficient number, since it is larger than the sum of its proper divisors (1).

51674081 is an equidigital number, since it uses as much as digits as its factorization.

51674081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51674081 is about 7188.4686129940. The cubic root of 51674081 is about 372.4696754738.

The spelling of 51674081 in words is "fifty-one million, six hundred seventy-four thousand, eighty-one".