2351205256 has 32 divisors (see below), whose sum is σ = 4632978240. Its totient is φ = 1117222848.

The previous prime is 2351205253. The next prime is 2351205277. The reversal of 2351205256 is 6525021532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2351205253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79636 + ... + 105091.

It is an arithmetic number, because the mean of its divisors is an integer number (144780570).

Almost surely, 2^2351205256 is an apocalyptic number.

It is an amenable number.

2351205256 is a deficient number, since it is larger than the sum of its proper divisors (2281772984).

2351205256 is a wasteful number, since it uses less digits than its factorization.

2351205256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184813 (or 184809 counting only the distinct ones).

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

The square root of 2351205256 is about 48489.2282471066. The cubic root of 2351205256 is about 1329.7301459406.

Adding to 2351205256 its reverse (6525021532), we get a palindrome (8876226788).

The spelling of 2351205256 in words is "two billion, three hundred fifty-one million, two hundred five thousand, two hundred fifty-six".