255420052 has 12 divisors (see below), whose sum is σ = 462398580. Its totient is φ = 123306176.

The previous prime is 255420049. The next prime is 255420089. The reversal of 255420052 is 250024552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114190596 + 141229456 = 10686^2 + 11884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255419999 and 255420026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100833 + ... + 1101064.

It is an arithmetic number, because the mean of its divisors is an integer number (38533215).

Almost surely, 2^255420052 is an apocalyptic number.

It is an amenable number.

255420052 is a deficient number, since it is larger than the sum of its proper divisors (206978528).

255420052 is a wasteful number, since it uses less digits than its factorization.

255420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201930 (or 2201928 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 255420052 is about 15981.8663490845. The cubic root of 255420052 is about 634.4805738437.

The spelling of 255420052 in words is "two hundred fifty-five million, four hundred twenty thousand, fifty-two".