676251813 has 4 divisors (see below), whose sum is σ = 901669088. Its totient is φ = 450834540.

The previous prime is 676251809. The next prime is 676251817. The reversal of 676251813 is 318152676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (676251809) and next prime (676251817).

It is not a de Polignac number, because 676251813 - 2² = 676251809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676251817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112708633 + ... + 112708638.

It is an arithmetic number, because the mean of its divisors is an integer number (225417272).

Almost surely, 2^676251813 is an apocalyptic number.

It is an amenable number.

676251813 is a deficient number, since it is larger than the sum of its proper divisors (225417275).

676251813 is a wasteful number, since it uses less digits than its factorization.

676251813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225417274.

The product of its digits is 60480, while the sum is 39.

The square root of 676251813 is about 26004.8421068077. The cubic root of 676251813 is about 877.7472567245.

The spelling of 676251813 in words is "six hundred seventy-six million, two hundred fifty-one thousand, eight hundred thirteen".