4255521241 has 8 divisors (see below), whose sum is σ = 4404259944. Its totient is φ = 4108922880.

The previous prime is 4255521239. The next prime is 4255521251. The reversal of 4255521241 is 1421255524.

It can be written as a sum of positive squares in 4 ways, for example, as 1742400 + 4253778841 = 1320^2 + 65221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4255521241 - 2¹ = 4255521239 is a prime.

It is a super-2 number, since 2×4255521241² = 36218922065204360162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4255521251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531040 + ... + 538993.

It is an arithmetic number, because the mean of its divisors is an integer number (550532493).

Almost surely, 2^4255521241 is an apocalyptic number.

4255521241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4255521241 is a deficient number, since it is larger than the sum of its proper divisors (148738703).

4255521241 is a wasteful number, since it uses less digits than its factorization.

4255521241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070171.

The product of its digits is 16000, while the sum is 31.

The square root of 4255521241 is about 65234.3562932907. The cubic root of 4255521241 is about 1620.5070354414.

Adding to 4255521241 its reverse (1421255524), we get a palindrome (5676776765).

The spelling of 4255521241 in words is "four billion, two hundred fifty-five million, five hundred twenty-one thousand, two hundred forty-one".