4273256587 has 2 divisors, whose sum is σ = 4273256588. Its totient is φ = 4273256586.

The previous prime is 4273256531. The next prime is 4273256609. The reversal of 4273256587 is 7856523724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4273256587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4273256587.

It is not a weakly prime, because it can be changed into another prime (4273256087) 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, 2136628293 + 2136628294.

It is an arithmetic number, because the mean of its divisors is an integer number (2136628294).

Almost surely, 2^4273256587 is an apocalyptic number.

4273256587 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273256587 is an equidigital number, since it uses as much as digits as its factorization.

4273256587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The square root of 4273256587 is about 65370.1505811330. The cubic root of 4273256587 is about 1622.7551281731.

The spelling of 4273256587 in words is "four billion, two hundred seventy-three million, two hundred fifty-six thousand, five hundred eighty-seven".