255002137 has 4 divisors (see below), whose sum is σ = 274617700. Its totient is φ = 235386576.

The previous prime is 255002129. The next prime is 255002179. The reversal of 255002137 is 731200552.

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 11048976 + 243953161 = 3324^2 + 15619^2 .

It is a cyclic number.

It is not a de Polignac number, because 255002137 - 2³ = 255002129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255002197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807762 + ... + 9807787.

It is an arithmetic number, because the mean of its divisors is an integer number (68654425).

Almost surely, 2^255002137 is an apocalyptic number.

It is an amenable number.

255002137 is a deficient number, since it is larger than the sum of its proper divisors (19615563).

255002137 is a wasteful number, since it uses less digits than its factorization.

255002137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615562.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 255002137 is about 15968.7863345966. The cubic root of 255002137 is about 634.1343419601.

Adding to 255002137 its reverse (731200552), we get a palindrome (986202689).

The spelling of 255002137 in words is "two hundred fifty-five million, two thousand, one hundred thirty-seven".