2351606256 has 60 divisors (see below), whose sum is σ = 6824991992. Its totient is φ = 783867456.

The previous prime is 2351606251. The next prime is 2351606261. The reversal of 2351606256 is 6526061532.

It is a happy number.

2351606256 is a `hidden beast` number, since 23 + 5 + 1 + 6 + 0 + 625 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2351606251) and next prime (2351606261).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2351606256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351606251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298531 + ... + 306306.

Almost surely, 2^2351606256 is an apocalyptic number.

It is an amenable number.

2351606256 is an abundant number, since it is smaller than the sum of its proper divisors (4473385736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2351606256 is an equidigital number, since it uses as much as digits as its factorization.

2351606256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604860 (or 604842 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2351606256 is about 48493.3630097975. The cubic root of 2351606256 is about 1329.8057371686.

Adding to 2351606256 its reverse (6526061532), we get a palindrome (8877667788).

The spelling of 2351606256 in words is "two billion, three hundred fifty-one million, six hundred six thousand, two hundred fifty-six".