255325421 has 16 divisors (see below), whose sum is σ = 279236160. Its totient is φ = 232055040.

The previous prime is 255325417. The next prime is 255325423. The reversal of 255325421 is 124523552.

It is a cyclic number.

It is not a de Polignac number, because 255325421 - 2² = 255325417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255325423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262466 + ... + 263436.

It is an arithmetic number, because the mean of its divisors is an integer number (17452260).

Almost surely, 2^255325421 is an apocalyptic number.

It is an amenable number.

255325421 is a deficient number, since it is larger than the sum of its proper divisors (23910739).

255325421 is a wasteful number, since it uses less digits than its factorization.

255325421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its digits is 12000, while the sum is 29.

The square root of 255325421 is about 15978.9055006906. The cubic root of 255325421 is about 634.4022075771.

Adding to 255325421 its reverse (124523552), we get a palindrome (379848973).

The spelling of 255325421 in words is "two hundred fifty-five million, three hundred twenty-five thousand, four hundred twenty-one".