255305427 has 24 divisors (see below), whose sum is σ = 373109184. Its totient is φ = 155192544.

The previous prime is 255305417. The next prime is 255305431. The reversal of 255305427 is 724503552.

It is not a de Polignac number, because 255305427 - 2⁴ = 255305411 is a prime.

It is a super-2 number, since 2×255305427² = 130361722111304658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255305417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39048 + ... + 45114.

It is an arithmetic number, because the mean of its divisors is an integer number (15546216).

Almost surely, 2^255305427 is an apocalyptic number.

255305427 is a deficient number, since it is larger than the sum of its proper divisors (117803757).

255305427 is a wasteful number, since it uses less digits than its factorization.

255305427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 255305427 is about 15978.2798510979. The cubic root of 255305427 is about 634.3856475746.

Adding to 255305427 its reverse (724503552), we get a palindrome (979808979).

The spelling of 255305427 in words is "two hundred fifty-five million, three hundred five thousand, four hundred twenty-seven".