255104397 has 40 divisors (see below), whose sum is σ = 405761400. Its totient is φ = 159169536.

The previous prime is 255104389. The next prime is 255104441. The reversal of 255104397 is 793401552.

255104397 is a `hidden beast` number, since 255 + 10 + 4 + 397 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 184443561 + 70660836 = 13581^2 + 8406^2 .

It is not a de Polignac number, because 255104397 - 2³ = 255104389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255104327) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 314929 + ... + 315737.

It is an arithmetic number, because the mean of its divisors is an integer number (10144035).

Almost surely, 2^255104397 is an apocalyptic number.

255104397 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

255104397 is a deficient number, since it is larger than the sum of its proper divisors (150657003).

255104397 is a wasteful number, since it uses less digits than its factorization.

255104397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 255104397 is about 15971.9878850442. The cubic root of 255104397 is about 634.2190966898.

The spelling of 255104397 in words is "two hundred fifty-five million, one hundred four thousand, three hundred ninety-seven".