4057247 has 2 divisors, whose sum is σ = 4057248. Its totient is φ = 4057246.

The previous prime is 4057231. The next prime is 4057297. The reversal of 4057247 is 7427504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4057247 - 2⁴ = 4057231 is a prime.

It is a super-2 number, since 2×4057247² = 32922506438018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4057217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028623 + 2028624.

It is an arithmetic number, because the mean of its divisors is an integer number (2028624).

Almost surely, 2^4057247 is an apocalyptic number.

4057247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057247 is an equidigital number, since it uses as much as digits as its factorization.

4057247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 4057247 is about 2014.2609066355. The cubic root of 4057247 is about 159.4938038689.

The spelling of 4057247 in words is "four million, fifty-seven thousand, two hundred forty-seven".