256298853 has 16 divisors (see below), whose sum is σ = 347435136. Its totient is φ = 168026880.

The previous prime is 256298843. The next prime is 256298857. The reversal of 256298853 is 358892652.

It is not a de Polignac number, because 256298853 - 2⁸ = 256298597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256298857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96025 + ... + 98657.

It is an arithmetic number, because the mean of its divisors is an integer number (21714696).

Almost surely, 2^256298853 is an apocalyptic number.

It is an amenable number.

256298853 is a deficient number, since it is larger than the sum of its proper divisors (91136283).

256298853 is a wasteful number, since it uses less digits than its factorization.

256298853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its digits is 1036800, while the sum is 48.

The square root of 256298853 is about 16009.3364322198. The cubic root of 256298853 is about 635.2074078094.

The spelling of 256298853 in words is "two hundred fifty-six million, two hundred ninety-eight thousand, eight hundred fifty-three".