255213436 has 12 divisors (see below), whose sum is σ = 448963200. Its totient is φ = 126938240.

The previous prime is 255213407. The next prime is 255213443. The reversal of 255213436 is 634312552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255213398 and 255213407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 166261 + ... + 167788.

It is an arithmetic number, because the mean of its divisors is an integer number (37413600).

Almost surely, 2^255213436 is an apocalyptic number.

It is an amenable number.

255213436 is a deficient number, since it is larger than the sum of its proper divisors (193749764).

255213436 is a wasteful number, since it uses less digits than its factorization.

255213436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334244 (or 334242 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 255213436 is about 15975.4009652340. The cubic root of 255213436 is about 634.3094450156.

Adding to 255213436 its reverse (634312552), we get a palindrome (889525988).

The spelling of 255213436 in words is "two hundred fifty-five million, two hundred thirteen thousand, four hundred thirty-six".