51675737 has 2 divisors, whose sum is σ = 51675738. Its totient is φ = 51675736.

The previous prime is 51675721. The next prime is 51675739. The reversal of 51675737 is 73757615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39488656 + 12187081 = 6284^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 51675737 - 2⁴ = 51675721 is a prime.

Together with 51675739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51675694 and 51675703.

It is not a weakly prime, because it can be changed into another prime (51675739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25837868 + 25837869.

It is an arithmetic number, because the mean of its divisors is an integer number (25837869).

Almost surely, 2^51675737 is an apocalyptic number.

It is an amenable number.

51675737 is a deficient number, since it is larger than the sum of its proper divisors (1).

51675737 is an equidigital number, since it uses as much as digits as its factorization.

51675737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154350, while the sum is 41.

The square root of 51675737 is about 7188.5837965485. The cubic root of 51675737 is about 372.4736542783.

The spelling of 51675737 in words is "fifty-one million, six hundred seventy-five thousand, seven hundred thirty-seven".