255340413 has 12 divisors (see below), whose sum is σ = 372273408. Its totient is φ = 168635400.

The previous prime is 255340381. The next prime is 255340433. The reversal of 255340413 is 314043552.

255340413 is a `hidden beast` number, since 255 + 3 + 404 + 1 + 3 = 666.

It is not a de Polignac number, because 255340413 - 2⁵ = 255340381 is a prime.

It is a super-2 number, since 2×255340413² = 130397453022021138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255340433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131613 + ... + 133538.

It is an arithmetic number, because the mean of its divisors is an integer number (31022784).

Almost surely, 2^255340413 is an apocalyptic number.

It is an amenable number.

255340413 is a deficient number, since it is larger than the sum of its proper divisors (116932995).

255340413 is a wasteful number, since it uses less digits than its factorization.

255340413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265264 (or 265261 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 255340413 is about 15979.3746122932. The cubic root of 255340413 is about 634.4146241130.

Adding to 255340413 its reverse (314043552), we get a palindrome (569383965).

The spelling of 255340413 in words is "two hundred fifty-five million, three hundred forty thousand, four hundred thirteen".