255764093 has 6 divisors (see below), whose sum is σ = 276951834. Its totient is φ = 236089776.

The previous prime is 255764063. The next prime is 255764107. The reversal of 255764093 is 390467552.

It can be written as a sum of positive squares in 3 ways, for example, as 13557124 + 242206969 = 3682^2 + 15563^2 .

It is not a de Polignac number, because 255764093 - 2¹⁰ = 255763069 is a prime.

It is a super-2 number, since 2×255764093² = 130830542536225298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255764093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255764053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 756530 + ... + 756867.

It is an arithmetic number, because the mean of its divisors is an integer number (46158639).

Almost surely, 2^255764093 is an apocalyptic number.

It is an amenable number.

255764093 is a deficient number, since it is larger than the sum of its proper divisors (21187741).

255764093 is a wasteful number, since it uses less digits than its factorization.

255764093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513423 (or 1513410 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 255764093 is about 15992.6262070993. The cubic root of 255764093 is about 634.7653196895.

The spelling of 255764093 in words is "two hundred fifty-five million, seven hundred sixty-four thousand, ninety-three".