4256824531 has 4 divisors (see below), whose sum is σ = 4507225992. Its totient is φ = 4006423072.

The previous prime is 4256824499. The next prime is 4256824547. The reversal of 4256824531 is 1354286524.

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 4256824531 - 2⁵ = 4256824499 is a prime.

It is a super-2 number, since 2×4256824531² = 36241110175446739922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256824591) 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 3 ways as a sum of consecutive naturals, for example, 125200705 + ... + 125200738.

It is an arithmetic number, because the mean of its divisors is an integer number (1126806498).

Almost surely, 2^4256824531 is an apocalyptic number.

4256824531 is a deficient number, since it is larger than the sum of its proper divisors (250401461).

4256824531 is a wasteful number, since it uses less digits than its factorization.

4256824531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250401460.

The product of its digits is 230400, while the sum is 40.

The square root of 4256824531 is about 65244.3448200685. The cubic root of 4256824531 is about 1620.6724499641.

The spelling of 4256824531 in words is "four billion, two hundred fifty-six million, eight hundred twenty-four thousand, five hundred thirty-one".