255377971 has 4 divisors (see below), whose sum is σ = 261606744. Its totient is φ = 249149200.

The previous prime is 255377963. The next prime is 255377977. The reversal of 255377971 is 179773552.

255377971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255377971 - 2³ = 255377963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255377977) 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, 3114325 + ... + 3114406.

It is an arithmetic number, because the mean of its divisors is an integer number (65401686).

Almost surely, 2^255377971 is an apocalyptic number.

255377971 is a deficient number, since it is larger than the sum of its proper divisors (6228773).

255377971 is an equidigital number, since it uses as much as digits as its factorization.

255377971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228772.

The product of its digits is 463050, while the sum is 46.

The square root of 255377971 is about 15980.5497715191. The cubic root of 255377971 is about 634.4457279194.

The spelling of 255377971 in words is "two hundred fifty-five million, three hundred seventy-seven thousand, nine hundred seventy-one".