4256757213 has 8 divisors (see below), whose sum is σ = 5699227776. Its totient is φ = 2826062400.

The previous prime is 4256757191. The next prime is 4256757221. The reversal of 4256757213 is 3127576524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4256757213 - 2⁵ = 4256757181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256757233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2943093 + ... + 2944538.

It is an arithmetic number, because the mean of its divisors is an integer number (712403472).

Almost surely, 2^4256757213 is an apocalyptic number.

It is an amenable number.

4256757213 is a deficient number, since it is larger than the sum of its proper divisors (1442470563).

4256757213 is a wasteful number, since it uses less digits than its factorization.

4256757213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887875.

The product of its digits is 352800, while the sum is 42.

The square root of 4256757213 is about 65243.8289265736. The cubic root of 4256757213 is about 1620.6639067412.

The spelling of 4256757213 in words is "four billion, two hundred fifty-six million, seven hundred fifty-seven thousand, two hundred thirteen".