255569349 has 12 divisors (see below), whose sum is σ = 396393504. Its totient is φ = 146039544.

The previous prime is 255569333. The next prime is 255569351. The reversal of 255569349 is 943965552.

It is a happy number.

It is not a de Polignac number, because 255569349 - 2⁴ = 255569333 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255569298 and 255569307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255569309) 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, 869137 + ... + 869430.

It is an arithmetic number, because the mean of its divisors is an integer number (33032792).

Almost surely, 2^255569349 is an apocalyptic number.

It is an amenable number.

255569349 is a deficient number, since it is larger than the sum of its proper divisors (140824155).

255569349 is a wasteful number, since it uses less digits than its factorization.

255569349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738584 (or 1738577 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 48.

The square root of 255569349 is about 15986.5364916857. The cubic root of 255569349 is about 634.6041710257.

The spelling of 255569349 in words is "two hundred fifty-five million, five hundred sixty-nine thousand, three hundred forty-nine".