255502045 has 4 divisors (see below), whose sum is σ = 306602460. Its totient is φ = 204401632.

The previous prime is 255502043. The next prime is 255502069. The reversal of 255502045 is 540205552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63568729 + 191933316 = 7973^2 + 13854^2 .

It is a cyclic number.

It is not a de Polignac number, because 255502045 - 2¹ = 255502043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255502043) 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, 25550200 + ... + 25550209.

It is an arithmetic number, because the mean of its divisors is an integer number (76650615).

Almost surely, 2^255502045 is an apocalyptic number.

It is an amenable number.

255502045 is a deficient number, since it is larger than the sum of its proper divisors (51100415).

255502045 is an equidigital number, since it uses as much as digits as its factorization.

255502045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51100414.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 255502045 is about 15984.4313317678. The cubic root of 255502045 is about 634.5484586210.

Adding to 255502045 its reverse (540205552), we get a palindrome (795707597).

The spelling of 255502045 in words is "two hundred fifty-five million, five hundred two thousand, forty-five".