255081407 has 12 divisors (see below), whose sum is σ = 298452456. Its totient is φ = 217370160.

The previous prime is 255081401. The next prime is 255081427. The reversal of 255081407 is 704180552.

It is not a de Polignac number, because 255081407 - 2¹⁴ = 255065023 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 (255081401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6569 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (24871038).

Almost surely, 2^255081407 is an apocalyptic number.

255081407 is a deficient number, since it is larger than the sum of its proper divisors (43371049).

255081407 is a wasteful number, since it uses less digits than its factorization.

255081407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30278 (or 30271 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 255081407 is about 15971.2681713131. The cubic root of 255081407 is about 634.2000441826.

The spelling of 255081407 in words is "two hundred fifty-five million, eighty-one thousand, four hundred seven".