4247741 has 2 divisors, whose sum is σ = 4247742. Its totient is φ = 4247740.

The previous prime is 4247729. The next prime is 4247743. The reversal of 4247741 is 1477424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3345241 + 902500 = 1829^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 4247741 - 2¹⁰ = 4246717 is a prime.

Together with 4247743, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123870 + 2123871.

It is an arithmetic number, because the mean of its divisors is an integer number (2123871).

Almost surely, 2^4247741 is an apocalyptic number.

It is an amenable number.

4247741 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247741 is an equidigital number, since it uses as much as digits as its factorization.

4247741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 29.

The square root of 4247741 is about 2061.0048520079. The cubic root of 4247741 is about 161.9518858283.

The spelling of 4247741 in words is "four million, two hundred forty-seven thousand, seven hundred forty-one".