4247377 has 2 divisors, whose sum is σ = 4247378. Its totient is φ = 4247376.

The previous prime is 4247371. The next prime is 4247381. The reversal of 4247377 is 7737424.

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., 4016016 + 231361 = 2004^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 4247377 - 2¹⁹ = 3723089 is a prime.

It is a super-2 number, since 2×4247377² = 36080422760258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4247371) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123688 + 2123689.

It is an arithmetic number, because the mean of its divisors is an integer number (2123689).

Almost surely, 2^4247377 is an apocalyptic number.

It is an amenable number.

4247377 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247377 is an equidigital number, since it uses as much as digits as its factorization.

4247377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 34.

The square root of 4247377 is about 2060.9165436766. The cubic root of 4247377 is about 161.9472596697.

It can be divided in two parts, 4247 and 377, that added together give a square (4624 = 68²).

The spelling of 4247377 in words is "four million, two hundred forty-seven thousand, three hundred seventy-seven".