256362853 has 4 divisors (see below), whose sum is σ = 267509088. Its totient is φ = 245216620.

The previous prime is 256362851. The next prime is 256362857. The reversal of 256362853 is 358263652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 256362853 - 2¹ = 256362851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256362851) 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, 5573083 + ... + 5573128.

It is an arithmetic number, because the mean of its divisors is an integer number (66877272).

Almost surely, 2^256362853 is an apocalyptic number.

256362853 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

256362853 is a deficient number, since it is larger than the sum of its proper divisors (11146235).

256362853 is a wasteful number, since it uses less digits than its factorization.

256362853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146234.

The product of its digits is 259200, while the sum is 40.

The square root of 256362853 is about 16011.3351410805. The cubic root of 256362853 is about 635.2602756370.

The spelling of 256362853 in words is "two hundred fifty-six million, three hundred sixty-two thousand, eight hundred fifty-three".