255377 has 4 divisors (see below), whose sum is σ = 261360. Its totient is φ = 249396.

The previous prime is 255371. The next prime is 255383. The reversal of 255377 is 773552.

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 an interprime number because it is at equal distance from previous prime (255371) and next prime (255383).

It is a cyclic number.

It is not a de Polignac number, because 255377 - 2⁴ = 255361 is a prime.

It is a d-powerful number, because it can be written as 2 + 5 + 3¹¹ + 5⁷ + 7² + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255371) 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, 2927 + ... + 3012.

It is an arithmetic number, because the mean of its divisors is an integer number (65340).

2²⁵⁵³⁷⁷ is an apocalyptic number.

It is an amenable number.

255377 is a deficient number, since it is larger than the sum of its proper divisors (5983).

255377 is an equidigital number, since it uses as much as digits as its factorization.

255377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982.

The product of its digits is 7350, while the sum is 29.

The square root of 255377 is about 505.3483946744. The cubic root of 255377 is about 63.4444923820. Note that the first 4 decimals are identical.

The spelling of 255377 in words is "two hundred fifty-five thousand, three hundred seventy-seven".