255279693 has 16 divisors (see below), whose sum is σ = 347495616. Its totient is φ = 166650240.

The previous prime is 255279683. The next prime is 255279709. The reversal of 255279693 is 396972552.

It is not a de Polignac number, because 255279693 - 2⁴ = 255279677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255279623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39646 + ... + 45632.

It is an arithmetic number, because the mean of its divisors is an integer number (21718476).

Almost surely, 2^255279693 is an apocalyptic number.

It is an amenable number.

255279693 is a deficient number, since it is larger than the sum of its proper divisors (92215923).

255279693 is a wasteful number, since it uses less digits than its factorization.

255279693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284.

The product of its digits is 1020600, while the sum is 48.

The square root of 255279693 is about 15977.4745501284. The cubic root of 255279693 is about 634.3643321525.

The spelling of 255279693 in words is "two hundred fifty-five million, two hundred seventy-nine thousand, six hundred ninety-three".