4257023539 has 2 divisors, whose sum is σ = 4257023540. Its totient is φ = 4257023538.

The previous prime is 4257023497. The next prime is 4257023557. The reversal of 4257023539 is 9353207524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4257023539 - 2¹⁷ = 4256892467 is a prime.

It is not a weakly prime, because it can be changed into another prime (4257023579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128511769 + 2128511770.

It is an arithmetic number, because the mean of its divisors is an integer number (2128511770).

Almost surely, 2^4257023539 is an apocalyptic number.

4257023539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257023539 is an equidigital number, since it uses as much as digits as its factorization.

4257023539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 4257023539 is about 65245.8698999408. The cubic root of 4257023539 is about 1620.6977052340.

The spelling of 4257023539 in words is "four billion, two hundred fifty-seven million, twenty-three thousand, five hundred thirty-nine".