57071741 has 2 divisors, whose sum is σ = 57071742. Its totient is φ = 57071740.

The previous prime is 57071711. The next prime is 57071743. The reversal of 57071741 is 14717075.

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., 49646116 + 7425625 = 7046^2 + 2725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57071741 is a prime.

Together with 57071743, 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 = 57071698 and 57071707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57071743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535870 + 28535871.

It is an arithmetic number, because the mean of its divisors is an integer number (28535871).

Almost surely, 2^57071741 is an apocalyptic number.

It is an amenable number.

57071741 is a deficient number, since it is larger than the sum of its proper divisors (1).

57071741 is an equidigital number, since it uses as much as digits as its factorization.

57071741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 57071741 is about 7554.5841050319. The cubic root of 57071741 is about 385.0115046880.

The spelling of 57071741 in words is "fifty-seven million, seventy-one thousand, seven hundred forty-one".