255682369 has 4 divisors (see below), whose sum is σ = 257695744. Its totient is φ = 253668996.

The previous prime is 255682367. The next prime is 255682381. The reversal of 255682369 is 963286552.

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 a cyclic number.

It is not a de Polignac number, because 255682369 - 2¹ = 255682367 is a prime.

It is a super-2 number, since 2×255682369² = 130746947634904322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255682367) 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, 1006497 + ... + 1006750.

It is an arithmetic number, because the mean of its divisors is an integer number (64423936).

Almost surely, 2^255682369 is an apocalyptic number.

It is an amenable number.

255682369 is a deficient number, since it is larger than the sum of its proper divisors (2013375).

255682369 is a wasteful number, since it uses less digits than its factorization.

255682369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013374.

The product of its digits is 777600, while the sum is 46.

The square root of 255682369 is about 15990.0709504367. The cubic root of 255682369 is about 634.6977038817.

The spelling of 255682369 in words is "two hundred fifty-five million, six hundred eighty-two thousand, three hundred sixty-nine".