255431206 has 8 divisors (see below), whose sum is σ = 383223384. Its totient is φ = 127690080.

The previous prime is 255431203. The next prime is 255431207. The reversal of 255431206 is 602134552.

255431206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255431206² = 130490201997228872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255431201) 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, 4321 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (47902923).

Almost surely, 2^255431206 is an apocalyptic number.

255431206 is a deficient number, since it is larger than the sum of its proper divisors (127792178).

255431206 is a wasteful number, since it uses less digits than its factorization.

255431206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25526.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 255431206 is about 15982.2153032676. The cubic root of 255431206 is about 634.4898094712.

Adding to 255431206 its reverse (602134552), we get a palindrome (857565758).

The spelling of 255431206 in words is "two hundred fifty-five million, four hundred thirty-one thousand, two hundred six".