2256632353 has 8 divisors (see below), whose sum is σ = 2310376680. Its totient is φ = 2203428480.

The previous prime is 2256632351. The next prime is 2256632359. The reversal of 2256632353 is 3532366522.

It can be written as a sum of positive squares in 4 ways, for example, as 78730129 + 2177902224 = 8873^2 + 46668^2 .

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 2256632353 - 2¹ = 2256632351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256632351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126658 + ... + 143371.

It is an arithmetic number, because the mean of its divisors is an integer number (288797085).

Almost surely, 2^2256632353 is an apocalyptic number.

It is an amenable number.

2256632353 is a deficient number, since it is larger than the sum of its proper divisors (53744327).

2256632353 is a wasteful number, since it uses less digits than its factorization.

2256632353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270227.

The product of its digits is 194400, while the sum is 37.

The square root of 2256632353 is about 47504.0245979222. The cubic root of 2256632353 is about 1311.6569660843.

Adding to 2256632353 its reverse (3532366522), we get a palindrome (5788998875).

The spelling of 2256632353 in words is "two billion, two hundred fifty-six million, six hundred thirty-two thousand, three hundred fifty-three".