255089137 has 4 divisors (see below), whose sum is σ = 261983476. Its totient is φ = 248194800.

The previous prime is 255089123. The next prime is 255089143. The reversal of 255089137 is 731980552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 40056241 = 14664^2 + 6329^2 .

It is a cyclic number.

It is not a de Polignac number, because 255089137 - 2²³ = 246700529 is a prime.

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 255089137.

It is not an unprimeable number, because it can be changed into a prime (255089147) 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, 3447114 + ... + 3447187.

It is an arithmetic number, because the mean of its divisors is an integer number (65495869).

Almost surely, 2^255089137 is an apocalyptic number.

It is an amenable number.

255089137 is a deficient number, since it is larger than the sum of its proper divisors (6894339).

255089137 is an equidigital number, since it uses as much as digits as its factorization.

255089137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894338.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 255089137 is about 15971.5101665434. The cubic root of 255089137 is about 634.2064503947.

The spelling of 255089137 in words is "two hundred fifty-five million, eighty-nine thousand, one hundred thirty-seven".