4256375015 has 4 divisors (see below), whose sum is σ = 5107650024. Its totient is φ = 3405100008.

The previous prime is 4256374999. The next prime is 4256375021. The reversal of 4256375015 is 5105736524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4256375015 - 2⁴ = 4256374999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4256375015.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 425637497 + ... + 425637506.

It is an arithmetic number, because the mean of its divisors is an integer number (1276912506).

Almost surely, 2^4256375015 is an apocalyptic number.

4256375015 is a deficient number, since it is larger than the sum of its proper divisors (851275009).

4256375015 is an equidigital number, since it uses as much as digits as its factorization.

4256375015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851275008.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 4256375015 is about 65240.8998635059. The cubic root of 4256375015 is about 1620.6154008785.

The spelling of 4256375015 in words is "four billion, two hundred fifty-six million, three hundred seventy-five thousand, fifteen".