255393606 has 16 divisors (see below), whose sum is σ = 550078704. Its totient is φ = 78582624.

The previous prime is 255393581. The next prime is 255393617. The reversal of 255393606 is 606393552.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637061 + ... + 1637216.

It is an arithmetic number, because the mean of its divisors is an integer number (34379919).

Almost surely, 2^255393606 is an apocalyptic number.

255393606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255393606 is an abundant number, since it is smaller than the sum of its proper divisors (294685098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255393606 is a wasteful number, since it uses less digits than its factorization.

255393606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274295.

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 255393606 is about 15981.0389524586. The cubic root of 255393606 is about 634.4586752075.

The spelling of 255393606 in words is "two hundred fifty-five million, three hundred ninety-three thousand, six hundred six".