4257259705 has 4 divisors (see below), whose sum is σ = 5108711652. Its totient is φ = 3405807760.

The previous prime is 4257259703. The next prime is 4257259709. The reversal of 4257259705 is 5079527524.

4257259705 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3069492409 + 1187767296 = 55403^2 + 34464^2 .

It is not a de Polignac number, because 4257259705 - 2¹ = 4257259703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257259703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425725966 + ... + 425725975.

It is an arithmetic number, because the mean of its divisors is an integer number (1277177913).

Almost surely, 2^4257259705 is an apocalyptic number.

It is an amenable number.

4257259705 is a deficient number, since it is larger than the sum of its proper divisors (851451947).

4257259705 is an equidigital number, since it uses as much as digits as its factorization.

4257259705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851451946.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 4257259705 is about 65247.6796905453. The cubic root of 4257259705 is about 1620.7276750484.

The spelling of 4257259705 in words is "four billion, two hundred fifty-seven million, two hundred fifty-nine thousand, seven hundred five".