2680812251 has 4 divisors (see below), whose sum is σ = 2887028592. Its totient is φ = 2474595912.

The previous prime is 2680812227. The next prime is 2680812259. The reversal of 2680812251 is 1522180862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2680812251 - 2⁶ = 2680812187 is a prime.

It is a super-2 number, since 2×2680812251² = 14373508650223374002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680812259) 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, 103108151 + ... + 103108176.

It is an arithmetic number, because the mean of its divisors is an integer number (721757148).

Almost surely, 2^2680812251 is an apocalyptic number.

2680812251 is a deficient number, since it is larger than the sum of its proper divisors (206216341).

2680812251 is a wasteful number, since it uses less digits than its factorization.

2680812251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206216340.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2680812251 is about 51776.5608263044. The cubic root of 2680812251 is about 1389.1702259065.

The spelling of 2680812251 in words is "two billion, six hundred eighty million, eight hundred twelve thousand, two hundred fifty-one".