256854325 has 54 divisors (see below), whose sum is σ = 402165666. Its totient is φ = 161300160.

The previous prime is 256854319. The next prime is 256854329. The reversal of 256854325 is 523458652.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 790321 + 256064004 = 889^2 + 16002^2 .

It is not a de Polignac number, because 256854325 - 2⁷ = 256854197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256854329) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2022412 + ... + 2022538.

Almost surely, 2^256854325 is an apocalyptic number.

256854325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256854325 is a deficient number, since it is larger than the sum of its proper divisors (145311341).

256854325 is a wasteful number, since it uses less digits than its factorization.

256854325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 152 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 256854325 is about 16026.6754194374. The cubic root of 256854325 is about 635.6659679763.

The spelling of 256854325 in words is "two hundred fifty-six million, eight hundred fifty-four thousand, three hundred twenty-five".