2251325056 has 32 divisors (see below), whose sum is σ = 4490366400. Its totient is φ = 1124331264.

The previous prime is 2251325053. The next prime is 2251325099. The reversal of 2251325056 is 6505231522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2251325053) 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, 103065 + ... + 122983.

It is an arithmetic number, because the mean of its divisors is an integer number (140323950).

Almost surely, 2^2251325056 is an apocalyptic number.

It is an amenable number.

2251325056 is a deficient number, since it is larger than the sum of its proper divisors (2239041344).

2251325056 is an equidigital number, since it uses as much as digits as its factorization.

2251325056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20816 (or 20804 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2251325056 is about 47448.1301633689. The cubic root of 2251325056 is about 1310.6278784110.

Adding to 2251325056 its reverse (6505231522), we get a palindrome (8756556578).

The spelling of 2251325056 in words is "two billion, two hundred fifty-one million, three hundred twenty-five thousand, fifty-six".